Home / 5,208,440.91-7,187,647.44-2,885,484.39

Finding the Fourth Proportional to 5,208,440.91, 7,187,647.44 and 2,885,484.39

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Solution

The fourth proportional to 5,208,440.91, 7,187,647.44 and 2,885,484.39 is: 3,981,967.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208,440.91 : 7,187,647.44 = 2,885,484.39 : x
  2. Step 2: Convert to fraction form
    5,208,440.91/7,187,647.44 = 2,885,484.39/x
  3. Step 3: Cross multiply
    5,208,440.91x = 7,187,647.44 × 2,885,484.39
  4. Step 4: Simplify right side
    5,208,440.91x = 20,739,844,488,943.46
  5. Step 5: Solve for x
    x = 20,739,844,488,943.46/5,208,440.91
  6. Step 6: Final answer
    x = 3,981,967.90

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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.