Home / 5,419,385.74-7,478,064.95-2,971,352.60

Finding the Fourth Proportional to 5,419,385.74, 7,478,064.95 and 2,971,352.60

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Solution

The fourth proportional to 5,419,385.74, 7,478,064.95 and 2,971,352.60 is: 4,100,089.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419,385.74 : 7,478,064.95 = 2,971,352.60 : x
  2. Step 2: Convert to fraction form
    5,419,385.74/7,478,064.95 = 2,971,352.60/x
  3. Step 3: Cross multiply
    5,419,385.74x = 7,478,064.95 × 2,971,352.60
  4. Step 4: Simplify right side
    5,419,385.74x = 22,219,967,691,046.86
  5. Step 5: Solve for x
    x = 22,219,967,691,046.86/5,419,385.74
  6. Step 6: Final answer
    x = 4,100,089.71

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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.