Home / 1,917,331.76-2,645,932.02-1,057,923.92

Finding the Fourth Proportional to 1,917,331.76, 2,645,932.02 and 1,057,923.92

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Solution

The fourth proportional to 1,917,331.76, 2,645,932.02 and 1,057,923.92 is: 1,459,942.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,331.76 : 2,645,932.02 = 1,057,923.92 : x
  2. Step 2: Convert to fraction form
    1,917,331.76/2,645,932.02 = 1,057,923.92/x
  3. Step 3: Cross multiply
    1,917,331.76x = 2,645,932.02 × 1,057,923.92
  4. Step 4: Simplify right side
    1,917,331.76x = 2,799,194,774,651.92
  5. Step 5: Solve for x
    x = 2,799,194,774,651.92/1,917,331.76
  6. Step 6: Final answer
    x = 1,459,942.84

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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.