Home / 3,100,430.76-4,278,590.10-1,723,730.66

Finding the Fourth Proportional to 3,100,430.76, 4,278,590.10 and 1,723,730.66

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Solution

The fourth proportional to 3,100,430.76, 4,278,590.10 and 1,723,730.66 is: 2,378,745.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,430.76 : 4,278,590.10 = 1,723,730.66 : x
  2. Step 2: Convert to fraction form
    3,100,430.76/4,278,590.10 = 1,723,730.66/x
  3. Step 3: Cross multiply
    3,100,430.76x = 4,278,590.10 × 1,723,730.66
  4. Step 4: Simplify right side
    3,100,430.76x = 7,375,136,915,549.52
  5. Step 5: Solve for x
    x = 7,375,136,915,549.52/3,100,430.76
  6. Step 6: Final answer
    x = 2,378,745.89

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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.