Home / 2,688,270.10-4,032,405.15-1,836,711.70

Finding the Fourth Proportional to 2,688,270.10, 4,032,405.15 and 1,836,711.70

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Solution

The fourth proportional to 2,688,270.10, 4,032,405.15 and 1,836,711.70 is: 2,755,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,270.10 : 4,032,405.15 = 1,836,711.70 : x
  2. Step 2: Convert to fraction form
    2,688,270.10/4,032,405.15 = 1,836,711.70/x
  3. Step 3: Cross multiply
    2,688,270.10x = 4,032,405.15 × 1,836,711.70
  4. Step 4: Simplify right side
    2,688,270.10x = 7,406,365,718,145.26
  5. Step 5: Solve for x
    x = 7,406,365,718,145.26/2,688,270.10
  6. Step 6: Final answer
    x = 2,755,067.55

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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.