Home / 2,116,273.76-2,920,003.44-1,257,123.68

Finding the Fourth Proportional to 2,116,273.76, 2,920,003.44 and 1,257,123.68

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Solution

The fourth proportional to 2,116,273.76, 2,920,003.44 and 1,257,123.68 is: 1,734,560.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,273.76 : 2,920,003.44 = 1,257,123.68 : x
  2. Step 2: Convert to fraction form
    2,116,273.76/2,920,003.44 = 1,257,123.68/x
  3. Step 3: Cross multiply
    2,116,273.76x = 2,920,003.44 × 1,257,123.68
  4. Step 4: Simplify right side
    2,116,273.76x = 3,670,805,470,105.46
  5. Step 5: Solve for x
    x = 3,670,805,470,105.46/2,116,273.76
  6. Step 6: Final answer
    x = 1,734,560.78

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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.