Home / 2,890,877.04-3,989,275.92-1,584,121.32

Finding the Fourth Proportional to 2,890,877.04, 3,989,275.92 and 1,584,121.32

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Solution

The fourth proportional to 2,890,877.04, 3,989,275.92 and 1,584,121.32 is: 2,186,013.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,877.04 : 3,989,275.92 = 1,584,121.32 : x
  2. Step 2: Convert to fraction form
    2,890,877.04/3,989,275.92 = 1,584,121.32/x
  3. Step 3: Cross multiply
    2,890,877.04x = 3,989,275.92 × 1,584,121.32
  4. Step 4: Simplify right side
    2,890,877.04x = 6,319,497,036,234.61
  5. Step 5: Solve for x
    x = 6,319,497,036,234.61/2,890,877.04
  6. Step 6: Final answer
    x = 2,186,013.78

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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.