Home / 2,116,749.30-3,175,123.95-1,274,867.70

Finding the Fourth Proportional to 2,116,749.30, 3,175,123.95 and 1,274,867.70

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Solution

The fourth proportional to 2,116,749.30, 3,175,123.95 and 1,274,867.70 is: 1,912,301.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,749.30 : 3,175,123.95 = 1,274,867.70 : x
  2. Step 2: Convert to fraction form
    2,116,749.30/3,175,123.95 = 1,274,867.70/x
  3. Step 3: Cross multiply
    2,116,749.30x = 3,175,123.95 × 1,274,867.70
  4. Step 4: Simplify right side
    2,116,749.30x = 4,047,862,967,351.42
  5. Step 5: Solve for x
    x = 4,047,862,967,351.42/2,116,749.30
  6. Step 6: Final answer
    x = 1,912,301.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.