Home / 1,861,873.50-2,569,464.80-1,046,078.76

Finding the Fourth Proportional to 1,861,873.50, 2,569,464.80 and 1,046,078.76

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Solution

The fourth proportional to 1,861,873.50, 2,569,464.80 and 1,046,078.76 is: 1,443,633.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,873.50 : 2,569,464.80 = 1,046,078.76 : x
  2. Step 2: Convert to fraction form
    1,861,873.50/2,569,464.80 = 1,046,078.76/x
  3. Step 3: Cross multiply
    1,861,873.50x = 2,569,464.80 × 1,046,078.76
  4. Step 4: Simplify right side
    1,861,873.50x = 2,687,862,554,462.85
  5. Step 5: Solve for x
    x = 2,687,862,554,462.85/1,861,873.50
  6. Step 6: Final answer
    x = 1,443,633.28

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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.