Home / 1,671,879.30-2,307,560.85-1,098,972.78

Finding the Fourth Proportional to 1,671,879.30, 2,307,560.85 and 1,098,972.78

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Solution

The fourth proportional to 1,671,879.30, 2,307,560.85 and 1,098,972.78 is: 1,516,823.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,879.30 : 2,307,560.85 = 1,098,972.78 : x
  2. Step 2: Convert to fraction form
    1,671,879.30/2,307,560.85 = 1,098,972.78/x
  3. Step 3: Cross multiply
    1,671,879.30x = 2,307,560.85 × 1,098,972.78
  4. Step 4: Simplify right side
    1,671,879.30x = 2,535,946,562,343.66
  5. Step 5: Solve for x
    x = 2,535,946,562,343.66/1,671,879.30
  6. Step 6: Final answer
    x = 1,516,823.95

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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.