Home / 1,347,537.60-2,016,640.80-1,235,563.20

Finding the Fourth Proportional to 1,347,537.60, 2,016,640.80 and 1,235,563.20

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Solution

The fourth proportional to 1,347,537.60, 2,016,640.80 and 1,235,563.20 is: 1,849,066.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,537.60 : 2,016,640.80 = 1,235,563.20 : x
  2. Step 2: Convert to fraction form
    1,347,537.60/2,016,640.80 = 1,235,563.20/x
  3. Step 3: Cross multiply
    1,347,537.60x = 2,016,640.80 × 1,235,563.20
  4. Step 4: Simplify right side
    1,347,537.60x = 2,491,687,160,098.56
  5. Step 5: Solve for x
    x = 2,491,687,160,098.56/1,347,537.60
  6. Step 6: Final answer
    x = 1,849,066.89

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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.