Home / 2,891,721.70-4,337,582.55-2,781,496.90

Finding the Fourth Proportional to 2,891,721.70, 4,337,582.55 and 2,781,496.90

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Solution

The fourth proportional to 2,891,721.70, 4,337,582.55 and 2,781,496.90 is: 4,172,245.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,721.70 : 4,337,582.55 = 2,781,496.90 : x
  2. Step 2: Convert to fraction form
    2,891,721.70/4,337,582.55 = 2,781,496.90/x
  3. Step 3: Cross multiply
    2,891,721.70x = 4,337,582.55 × 2,781,496.90
  4. Step 4: Simplify right side
    2,891,721.70x = 12,064,972,416,319.09
  5. Step 5: Solve for x
    x = 12,064,972,416,319.09/2,891,721.70
  6. Step 6: Final answer
    x = 4,172,245.35

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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.