Home / 2,887,985.76-4,331,920.32-994,685.28

Finding the Fourth Proportional to 2,887,985.76, 4,331,920.32 and 994,685.28

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Solution

The fourth proportional to 2,887,985.76, 4,331,920.32 and 994,685.28 is: 1,492,007.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,985.76 : 4,331,920.32 = 994,685.28 : x
  2. Step 2: Convert to fraction form
    2,887,985.76/4,331,920.32 = 994,685.28/x
  3. Step 3: Cross multiply
    2,887,985.76x = 4,331,920.32 × 994,685.28
  4. Step 4: Simplify right side
    2,887,985.76x = 4,308,897,376,436.89
  5. Step 5: Solve for x
    x = 4,308,897,376,436.89/2,887,985.76
  6. Step 6: Final answer
    x = 1,492,007.83

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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.