Home / 3,621,036.20-5,431,554.30-1,941,420.20

Finding the Fourth Proportional to 3,621,036.20, 5,431,554.30 and 1,941,420.20

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Solution

The fourth proportional to 3,621,036.20, 5,431,554.30 and 1,941,420.20 is: 2,912,130.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,036.20 : 5,431,554.30 = 1,941,420.20 : x
  2. Step 2: Convert to fraction form
    3,621,036.20/5,431,554.30 = 1,941,420.20/x
  3. Step 3: Cross multiply
    3,621,036.20x = 5,431,554.30 × 1,941,420.20
  4. Step 4: Simplify right side
    3,621,036.20x = 10,544,929,235,416.86
  5. Step 5: Solve for x
    x = 10,544,929,235,416.86/3,621,036.20
  6. Step 6: Final answer
    x = 2,912,130.30

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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.