Home / 3,165,658.61-4,368,601.76-1,715,393.30

Finding the Fourth Proportional to 3,165,658.61, 4,368,601.76 and 1,715,393.30

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Solution

The fourth proportional to 3,165,658.61, 4,368,601.76 and 1,715,393.30 is: 2,367,238.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165,658.61 : 4,368,601.76 = 1,715,393.30 : x
  2. Step 2: Convert to fraction form
    3,165,658.61/4,368,601.76 = 1,715,393.30/x
  3. Step 3: Cross multiply
    3,165,658.61x = 4,368,601.76 × 1,715,393.30
  4. Step 4: Simplify right side
    3,165,658.61x = 7,493,870,159,052.23
  5. Step 5: Solve for x
    x = 7,493,870,159,052.23/3,165,658.61
  6. Step 6: Final answer
    x = 2,367,238.89

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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.