Home / 3,618,008.40-5,419,139.40-3,145,616.40

Finding the Fourth Proportional to 3,618,008.40, 5,419,139.40 and 3,145,616.40

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Solution

The fourth proportional to 3,618,008.40, 5,419,139.40 and 3,145,616.40 is: 4,711,579.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618,008.40 : 5,419,139.40 = 3,145,616.40 : x
  2. Step 2: Convert to fraction form
    3,618,008.40/5,419,139.40 = 3,145,616.40/x
  3. Step 3: Cross multiply
    3,618,008.40x = 5,419,139.40 × 3,145,616.40
  4. Step 4: Simplify right side
    3,618,008.40x = 17,046,533,770,526.16
  5. Step 5: Solve for x
    x = 17,046,533,770,526.16/3,618,008.40
  6. Step 6: Final answer
    x = 4,711,579.38

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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.