Home / 1,861,719.44-2,569,381.36-1,127,078.64

Finding the Fourth Proportional to 1,861,719.44, 2,569,381.36 and 1,127,078.64

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Solution

The fourth proportional to 1,861,719.44, 2,569,381.36 and 1,127,078.64 is: 1,555,494.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,719.44 : 2,569,381.36 = 1,127,078.64 : x
  2. Step 2: Convert to fraction form
    1,861,719.44/2,569,381.36 = 1,127,078.64/x
  3. Step 3: Cross multiply
    1,861,719.44x = 2,569,381.36 × 1,127,078.64
  4. Step 4: Simplify right side
    1,861,719.44x = 2,895,894,842,439.39
  5. Step 5: Solve for x
    x = 2,895,894,842,439.39/1,861,719.44
  6. Step 6: Final answer
    x = 1,555,494.76

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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.