Home / 2,878,302.27-3,970,623.18-1,715,929.50

Finding the Fourth Proportional to 2,878,302.27, 3,970,623.18 and 1,715,929.50

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Solution

The fourth proportional to 2,878,302.27, 3,970,623.18 and 1,715,929.50 is: 2,367,127.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,302.27 : 3,970,623.18 = 1,715,929.50 : x
  2. Step 2: Convert to fraction form
    2,878,302.27/3,970,623.18 = 1,715,929.50/x
  3. Step 3: Cross multiply
    2,878,302.27x = 3,970,623.18 × 1,715,929.50
  4. Step 4: Simplify right side
    2,878,302.27x = 6,813,309,469,270.38
  5. Step 5: Solve for x
    x = 6,813,309,469,270.38/2,878,302.27
  6. Step 6: Final answer
    x = 2,367,127.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.