Home / 6,421,503.85-9,632,255.78-4,292,607.85

Finding the Fourth Proportional to 6,421,503.85, 9,632,255.78 and 4,292,607.85

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Solution

The fourth proportional to 6,421,503.85, 9,632,255.78 and 4,292,607.85 is: 6,438,911.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421,503.85 : 9,632,255.78 = 4,292,607.85 : x
  2. Step 2: Convert to fraction form
    6,421,503.85/9,632,255.78 = 4,292,607.85/x
  3. Step 3: Cross multiply
    6,421,503.85x = 9,632,255.78 × 4,292,607.85
  4. Step 4: Simplify right side
    6,421,503.85x = 41,347,496,752,972.83
  5. Step 5: Solve for x
    x = 41,347,496,752,972.83/6,421,503.85
  6. Step 6: Final answer
    x = 6,438,911.78

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Similar ratio
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1.5x scale

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.