Home / 2,486,299.95-3,729,080.84-688,996.04

Finding the Fourth Proportional to 2,486,299.95, 3,729,080.84 and 688,996.04

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Solution

The fourth proportional to 2,486,299.95, 3,729,080.84 and 688,996.04 is: 1,033,391.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,299.95 : 3,729,080.84 = 688,996.04 : x
  2. Step 2: Convert to fraction form
    2,486,299.95/3,729,080.84 = 688,996.04/x
  3. Step 3: Cross multiply
    2,486,299.95x = 3,729,080.84 × 688,996.04
  4. Step 4: Simplify right side
    2,486,299.95x = 2,569,321,909,509.49
  5. Step 5: Solve for x
    x = 2,569,321,909,509.49/2,486,299.95
  6. Step 6: Final answer
    x = 1,033,391.77

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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.