Home / 2,890,721.20-4,331,578.20-1,092,623.80

Finding the Fourth Proportional to 2,890,721.20, 4,331,578.20 and 1,092,623.80

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Solution

The fourth proportional to 2,890,721.20, 4,331,578.20 and 1,092,623.80 is: 1,637,233.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,721.20 : 4,331,578.20 = 1,092,623.80 : x
  2. Step 2: Convert to fraction form
    2,890,721.20/4,331,578.20 = 1,092,623.80/x
  3. Step 3: Cross multiply
    2,890,721.20x = 4,331,578.20 × 1,092,623.80
  4. Step 4: Simplify right side
    2,890,721.20x = 4,732,785,432,881.16
  5. Step 5: Solve for x
    x = 4,732,785,432,881.16/2,890,721.20
  6. Step 6: Final answer
    x = 1,637,233.45

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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.