Home / 3,117,179.22-4,671,635.40-1,600,800.90

Finding the Fourth Proportional to 3,117,179.22, 4,671,635.40 and 1,600,800.90

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Solution

The fourth proportional to 3,117,179.22, 4,671,635.40 and 1,600,800.90 is: 2,399,078.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,179.22 : 4,671,635.40 = 1,600,800.90 : x
  2. Step 2: Convert to fraction form
    3,117,179.22/4,671,635.40 = 1,600,800.90/x
  3. Step 3: Cross multiply
    3,117,179.22x = 4,671,635.40 × 1,600,800.90
  4. Step 4: Simplify right side
    3,117,179.22x = 7,478,358,152,791.86
  5. Step 5: Solve for x
    x = 7,478,358,152,791.86/3,117,179.22
  6. Step 6: Final answer
    x = 2,399,078.66

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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.