Home / 4,970,271.78-7,454,532.87-1,327,046.90

Finding the Fourth Proportional to 4,970,271.78, 7,454,532.87 and 1,327,046.90

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Solution

The fourth proportional to 4,970,271.78, 7,454,532.87 and 1,327,046.90 is: 1,990,336.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970,271.78 : 7,454,532.87 = 1,327,046.90 : x
  2. Step 2: Convert to fraction form
    4,970,271.78/7,454,532.87 = 1,327,046.90/x
  3. Step 3: Cross multiply
    4,970,271.78x = 7,454,532.87 × 1,327,046.90
  4. Step 4: Simplify right side
    4,970,271.78x = 9,892,514,698,808.94
  5. Step 5: Solve for x
    x = 9,892,514,698,808.94/4,970,271.78
  6. Step 6: Final answer
    x = 1,990,336.77

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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.