Home / 1,557,743.70-2,336,615.55-1,025,865.30

Finding the Fourth Proportional to 1,557,743.70, 2,336,615.55 and 1,025,865.30

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Solution

The fourth proportional to 1,557,743.70, 2,336,615.55 and 1,025,865.30 is: 1,538,797.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,743.70 : 2,336,615.55 = 1,025,865.30 : x
  2. Step 2: Convert to fraction form
    1,557,743.70/2,336,615.55 = 1,025,865.30/x
  3. Step 3: Cross multiply
    1,557,743.70x = 2,336,615.55 × 1,025,865.30
  4. Step 4: Simplify right side
    1,557,743.70x = 2,397,052,812,185.42
  5. Step 5: Solve for x
    x = 2,397,052,812,185.42/1,557,743.70
  6. Step 6: Final answer
    x = 1,538,797.95

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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.