Home / 4,920,981.30-7,381,471.95-4,124,718.90

Finding the Fourth Proportional to 4,920,981.30, 7,381,471.95 and 4,124,718.90

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Solution

The fourth proportional to 4,920,981.30, 7,381,471.95 and 4,124,718.90 is: 6,187,078.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,981.30 : 7,381,471.95 = 4,124,718.90 : x
  2. Step 2: Convert to fraction form
    4,920,981.30/7,381,471.95 = 4,124,718.90/x
  3. Step 3: Cross multiply
    4,920,981.30x = 7,381,471.95 × 4,124,718.90
  4. Step 4: Simplify right side
    4,920,981.30x = 30,446,496,861,984.86
  5. Step 5: Solve for x
    x = 30,446,496,861,984.86/4,920,981.30
  6. Step 6: Final answer
    x = 6,187,078.35

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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.