Home / 3,182,321.45-4,391,696.85-1,732,110.81

Finding the Fourth Proportional to 3,182,321.45, 4,391,696.85 and 1,732,110.81

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Solution

The fourth proportional to 3,182,321.45, 4,391,696.85 and 1,732,110.81 is: 2,390,363.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182,321.45 : 4,391,696.85 = 1,732,110.81 : x
  2. Step 2: Convert to fraction form
    3,182,321.45/4,391,696.85 = 1,732,110.81/x
  3. Step 3: Cross multiply
    3,182,321.45x = 4,391,696.85 × 1,732,110.81
  4. Step 4: Simplify right side
    3,182,321.45x = 7,606,905,588,127.95
  5. Step 5: Solve for x
    x = 7,606,905,588,127.95/3,182,321.45
  6. Step 6: Final answer
    x = 2,390,363.68

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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.