Home / 2,987,165.57-4,122,244.20-1,680,318.93

Finding the Fourth Proportional to 2,987,165.57, 4,122,244.20 and 1,680,318.93

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Solution

The fourth proportional to 2,987,165.57, 4,122,244.20 and 1,680,318.93 is: 2,318,815.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,165.57 : 4,122,244.20 = 1,680,318.93 : x
  2. Step 2: Convert to fraction form
    2,987,165.57/4,122,244.20 = 1,680,318.93/x
  3. Step 3: Cross multiply
    2,987,165.57x = 4,122,244.20 × 1,680,318.93
  4. Step 4: Simplify right side
    2,987,165.57x = 6,926,684,963,342.71
  5. Step 5: Solve for x
    x = 6,926,684,963,342.71/2,987,165.57
  6. Step 6: Final answer
    x = 2,318,815.22

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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.