Home / 3,864,521.88-5,333,206.92-2,145,642.72

Finding the Fourth Proportional to 3,864,521.88, 5,333,206.92 and 2,145,642.72

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Solution

The fourth proportional to 3,864,521.88, 5,333,206.92 and 2,145,642.72 is: 2,961,079.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864,521.88 : 5,333,206.92 = 2,145,642.72 : x
  2. Step 2: Convert to fraction form
    3,864,521.88/5,333,206.92 = 2,145,642.72/x
  3. Step 3: Cross multiply
    3,864,521.88x = 5,333,206.92 × 2,145,642.72
  4. Step 4: Simplify right side
    3,864,521.88x = 11,443,156,602,151.62
  5. Step 5: Solve for x
    x = 11,443,156,602,151.62/3,864,521.88
  6. Step 6: Final answer
    x = 2,961,079.52

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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.