Home / 2,631,957.40-3,948,857.70-1,137,122.20

Finding the Fourth Proportional to 2,631,957.40, 3,948,857.70 and 1,137,122.20

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Solution

The fourth proportional to 2,631,957.40, 3,948,857.70 and 1,137,122.20 is: 1,706,081.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,957.40 : 3,948,857.70 = 1,137,122.20 : x
  2. Step 2: Convert to fraction form
    2,631,957.40/3,948,857.70 = 1,137,122.20/x
  3. Step 3: Cross multiply
    2,631,957.40x = 3,948,857.70 × 1,137,122.20
  4. Step 4: Simplify right side
    2,631,957.40x = 4,490,333,755,310.94
  5. Step 5: Solve for x
    x = 4,490,333,755,310.94/2,631,957.40
  6. Step 6: Final answer
    x = 1,706,081.47

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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.