Home / 5,431,854.60-8,138,450.70-2,585,838.60

Finding the Fourth Proportional to 5,431,854.60, 8,138,450.70 and 2,585,838.60

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Solution

The fourth proportional to 5,431,854.60, 8,138,450.70 and 2,585,838.60 is: 3,874,315.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,854.60 : 8,138,450.70 = 2,585,838.60 : x
  2. Step 2: Convert to fraction form
    5,431,854.60/8,138,450.70 = 2,585,838.60/x
  3. Step 3: Cross multiply
    5,431,854.60x = 8,138,450.70 × 2,585,838.60
  4. Step 4: Simplify right side
    5,431,854.60x = 21,044,719,964,257.02
  5. Step 5: Solve for x
    x = 21,044,719,964,257.02/5,431,854.60
  6. Step 6: Final answer
    x = 3,874,315.77

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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.