Home / 5,717,321.42-7,889,919.08-3,139,169.18

Finding the Fourth Proportional to 5,717,321.42, 7,889,919.08 and 3,139,169.18

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Solution

The fourth proportional to 5,717,321.42, 7,889,919.08 and 3,139,169.18 is: 4,332,061.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717,321.42 : 7,889,919.08 = 3,139,169.18 : x
  2. Step 2: Convert to fraction form
    5,717,321.42/7,889,919.08 = 3,139,169.18/x
  3. Step 3: Cross multiply
    5,717,321.42x = 7,889,919.08 × 3,139,169.18
  4. Step 4: Simplify right side
    5,717,321.42x = 24,767,790,753,484.51
  5. Step 5: Solve for x
    x = 24,767,790,753,484.51/5,717,321.42
  6. Step 6: Final answer
    x = 4,332,061.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.