Home / 5,479,957.10-8,220,454.05-1,490,869.10

Finding the Fourth Proportional to 5,479,957.10, 8,220,454.05 and 1,490,869.10

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Solution

The fourth proportional to 5,479,957.10, 8,220,454.05 and 1,490,869.10 is: 2,236,444.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479,957.10 : 8,220,454.05 = 1,490,869.10 : x
  2. Step 2: Convert to fraction form
    5,479,957.10/8,220,454.05 = 1,490,869.10/x
  3. Step 3: Cross multiply
    5,479,957.10x = 8,220,454.05 × 1,490,869.10
  4. Step 4: Simplify right side
    5,479,957.10x = 12,255,620,931,114.86
  5. Step 5: Solve for x
    x = 12,255,620,931,114.86/5,479,957.10
  6. Step 6: Final answer
    x = 2,236,444.69

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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.