Home / 5,189,432.15-7,784,891.12-1,595,500.89

Finding the Fourth Proportional to 5,189,432.15, 7,784,891.12 and 1,595,500.89

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Solution

The fourth proportional to 5,189,432.15, 7,784,891.12 and 1,595,500.89 is: 2,393,479.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189,432.15 : 7,784,891.12 = 1,595,500.89 : x
  2. Step 2: Convert to fraction form
    5,189,432.15/7,784,891.12 = 1,595,500.89/x
  3. Step 3: Cross multiply
    5,189,432.15x = 7,784,891.12 × 1,595,500.89
  4. Step 4: Simplify right side
    5,189,432.15x = 12,420,800,714,501.85
  5. Step 5: Solve for x
    x = 12,420,800,714,501.85/5,189,432.15
  6. Step 6: Final answer
    x = 2,393,479.74

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1.5x scale

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.