Home / 2,015,296.78-2,781,082.23-1,144,123.57

Finding the Fourth Proportional to 2,015,296.78, 2,781,082.23 and 1,144,123.57

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Solution

The fourth proportional to 2,015,296.78, 2,781,082.23 and 1,144,123.57 is: 1,578,875.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,296.78 : 2,781,082.23 = 1,144,123.57 : x
  2. Step 2: Convert to fraction form
    2,015,296.78/2,781,082.23 = 1,144,123.57/x
  3. Step 3: Cross multiply
    2,015,296.78x = 2,781,082.23 × 1,144,123.57
  4. Step 4: Simplify right side
    2,015,296.78x = 3,181,901,729,451.16
  5. Step 5: Solve for x
    x = 3,181,901,729,451.16/2,015,296.78
  6. Step 6: Final answer
    x = 1,578,875.01

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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.