Home / 1,571,598.78-2,170,452.92-1,082,839.15

Finding the Fourth Proportional to 1,571,598.78, 2,170,452.92 and 1,082,839.15

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Solution

The fourth proportional to 1,571,598.78, 2,170,452.92 and 1,082,839.15 is: 1,495,452.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,598.78 : 2,170,452.92 = 1,082,839.15 : x
  2. Step 2: Convert to fraction form
    1,571,598.78/2,170,452.92 = 1,082,839.15/x
  3. Step 3: Cross multiply
    1,571,598.78x = 2,170,452.92 × 1,082,839.15
  4. Step 4: Simplify right side
    1,571,598.78x = 2,350,251,378,741.36
  5. Step 5: Solve for x
    x = 2,350,251,378,741.36/1,571,598.78
  6. Step 6: Final answer
    x = 1,495,452.53

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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.