Home / 3,914,139.40-5,871,209.10-1,670,504.20

Finding the Fourth Proportional to 3,914,139.40, 5,871,209.10 and 1,670,504.20

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Solution

The fourth proportional to 3,914,139.40, 5,871,209.10 and 1,670,504.20 is: 2,505,756.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914,139.40 : 5,871,209.10 = 1,670,504.20 : x
  2. Step 2: Convert to fraction form
    3,914,139.40/5,871,209.10 = 1,670,504.20/x
  3. Step 3: Cross multiply
    3,914,139.40x = 5,871,209.10 × 1,670,504.20
  4. Step 4: Simplify right side
    3,914,139.40x = 9,807,879,460,628.22
  5. Step 5: Solve for x
    x = 9,807,879,460,628.22/3,914,139.40
  6. Step 6: Final answer
    x = 2,505,756.30

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Double scale
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Similar ratio
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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.