Home / 4,734,047.40-7,101,071.10-3,978,220.20

Finding the Fourth Proportional to 4,734,047.40, 7,101,071.10 and 3,978,220.20

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Solution

The fourth proportional to 4,734,047.40, 7,101,071.10 and 3,978,220.20 is: 5,967,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,734,047.40 : 7,101,071.10 = 3,978,220.20 : x
  2. Step 2: Convert to fraction form
    4,734,047.40/7,101,071.10 = 3,978,220.20/x
  3. Step 3: Cross multiply
    4,734,047.40x = 7,101,071.10 × 3,978,220.20
  4. Step 4: Simplify right side
    4,734,047.40x = 28,249,624,491,656.22
  5. Step 5: Solve for x
    x = 28,249,624,491,656.22/4,734,047.40
  6. Step 6: Final answer
    x = 5,967,330.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.