Home / 2,708,436.80-4,062,655.20-910,722.80

Finding the Fourth Proportional to 2,708,436.80, 4,062,655.20 and 910,722.80

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Solution

The fourth proportional to 2,708,436.80, 4,062,655.20 and 910,722.80 is: 1,366,084.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708,436.80 : 4,062,655.20 = 910,722.80 : x
  2. Step 2: Convert to fraction form
    2,708,436.80/4,062,655.20 = 910,722.80/x
  3. Step 3: Cross multiply
    2,708,436.80x = 4,062,655.20 × 910,722.80
  4. Step 4: Simplify right side
    2,708,436.80x = 3,699,952,719,178.56
  5. Step 5: Solve for x
    x = 3,699,952,719,178.56/2,708,436.80
  6. Step 6: Final answer
    x = 1,366,084.20

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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.