Home / 3,420,875.52-4,720,737.60-1,892,981.76

Finding the Fourth Proportional to 3,420,875.52, 4,720,737.60 and 1,892,981.76

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Solution

The fourth proportional to 3,420,875.52, 4,720,737.60 and 1,892,981.76 is: 2,612,275.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,875.52 : 4,720,737.60 = 1,892,981.76 : x
  2. Step 2: Convert to fraction form
    3,420,875.52/4,720,737.60 = 1,892,981.76/x
  3. Step 3: Cross multiply
    3,420,875.52x = 4,720,737.60 × 1,892,981.76
  4. Step 4: Simplify right side
    3,420,875.52x = 8,936,270,170,546.18
  5. Step 5: Solve for x
    x = 8,936,270,170,546.18/3,420,875.52
  6. Step 6: Final answer
    x = 2,612,275.75

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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.