Home / 4,225,722.32-6,338,687.16-1,385,719.76

Finding the Fourth Proportional to 4,225,722.32, 6,338,687.16 and 1,385,719.76

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Solution

The fourth proportional to 4,225,722.32, 6,338,687.16 and 1,385,719.76 is: 2,078,613.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,225,722.32 : 6,338,687.16 = 1,385,719.76 : x
  2. Step 2: Convert to fraction form
    4,225,722.32/6,338,687.16 = 1,385,719.76/x
  3. Step 3: Cross multiply
    4,225,722.32x = 6,338,687.16 × 1,385,719.76
  4. Step 4: Simplify right side
    4,225,722.32x = 8,783,644,050,070.28
  5. Step 5: Solve for x
    x = 8,783,644,050,070.28/4,225,722.32
  6. Step 6: Final answer
    x = 2,078,613.64

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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.