Home / 1,780,687.40-2,458,199.78-1,016,593.36

Finding the Fourth Proportional to 1,780,687.40, 2,458,199.78 and 1,016,593.36

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Solution

The fourth proportional to 1,780,687.40, 2,458,199.78 and 1,016,593.36 is: 1,403,384.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,687.40 : 2,458,199.78 = 1,016,593.36 : x
  2. Step 2: Convert to fraction form
    1,780,687.40/2,458,199.78 = 1,016,593.36/x
  3. Step 3: Cross multiply
    1,780,687.40x = 2,458,199.78 × 1,016,593.36
  4. Step 4: Simplify right side
    1,780,687.40x = 2,498,989,573,901.46
  5. Step 5: Solve for x
    x = 2,498,989,573,901.46/1,780,687.40
  6. Step 6: Final answer
    x = 1,403,384.77

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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.