Home / 4,480,423.56-6,721,500.54-1,921,280.88

Finding the Fourth Proportional to 4,480,423.56, 6,721,500.54 and 1,921,280.88

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Solution

The fourth proportional to 4,480,423.56, 6,721,500.54 and 1,921,280.88 is: 2,882,292.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480,423.56 : 6,721,500.54 = 1,921,280.88 : x
  2. Step 2: Convert to fraction form
    4,480,423.56/6,721,500.54 = 1,921,280.88/x
  3. Step 3: Cross multiply
    4,480,423.56x = 6,721,500.54 × 1,921,280.88
  4. Step 4: Simplify right side
    4,480,423.56x = 12,913,890,472,411.67
  5. Step 5: Solve for x
    x = 12,913,890,472,411.67/4,480,423.56
  6. Step 6: Final answer
    x = 2,882,292.33

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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.