Home / 2,847,921.50-4,272,582.10-853,377.50

Finding the Fourth Proportional to 2,847,921.50, 4,272,582.10 and 853,377.50

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Solution

The fourth proportional to 2,847,921.50, 4,272,582.10 and 853,377.50 is: 1,280,275.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847,921.50 : 4,272,582.10 = 853,377.50 : x
  2. Step 2: Convert to fraction form
    2,847,921.50/4,272,582.10 = 853,377.50/x
  3. Step 3: Cross multiply
    2,847,921.50x = 4,272,582.10 × 853,377.50
  4. Step 4: Simplify right side
    2,847,921.50x = 3,646,125,431,042.75
  5. Step 5: Solve for x
    x = 3,646,125,431,042.75/2,847,921.50
  6. Step 6: Final answer
    x = 1,280,275.96

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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.