Home / 1,530,557.58-2,115,082.55-1,147,920.06

Finding the Fourth Proportional to 1,530,557.58, 2,115,082.55 and 1,147,920.06

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Solution

The fourth proportional to 1,530,557.58, 2,115,082.55 and 1,147,920.06 is: 1,586,314.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,557.58 : 2,115,082.55 = 1,147,920.06 : x
  2. Step 2: Convert to fraction form
    1,530,557.58/2,115,082.55 = 1,147,920.06/x
  3. Step 3: Cross multiply
    1,530,557.58x = 2,115,082.55 × 1,147,920.06
  4. Step 4: Simplify right side
    1,530,557.58x = 2,427,945,687,700.95
  5. Step 5: Solve for x
    x = 2,427,945,687,700.95/1,530,557.58
  6. Step 6: Final answer
    x = 1,586,314.50

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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.