Home / 2,489,613.80-3,734,420.70-806,887.40

Finding the Fourth Proportional to 2,489,613.80, 3,734,420.70 and 806,887.40

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Solution

The fourth proportional to 2,489,613.80, 3,734,420.70 and 806,887.40 is: 1,210,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489,613.80 : 3,734,420.70 = 806,887.40 : x
  2. Step 2: Convert to fraction form
    2,489,613.80/3,734,420.70 = 806,887.40/x
  3. Step 3: Cross multiply
    2,489,613.80x = 3,734,420.70 × 806,887.40
  4. Step 4: Simplify right side
    2,489,613.80x = 3,013,257,009,129.18
  5. Step 5: Solve for x
    x = 3,013,257,009,129.18/2,489,613.80
  6. Step 6: Final answer
    x = 1,210,331.10

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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.