Home / 1,871,040.43-2,581,842.96-1,381,270.43

Finding the Fourth Proportional to 1,871,040.43, 2,581,842.96 and 1,381,270.43

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Solution

The fourth proportional to 1,871,040.43, 2,581,842.96 and 1,381,270.43 is: 1,906,010.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,040.43 : 2,581,842.96 = 1,381,270.43 : x
  2. Step 2: Convert to fraction form
    1,871,040.43/2,581,842.96 = 1,381,270.43/x
  3. Step 3: Cross multiply
    1,871,040.43x = 2,581,842.96 × 1,381,270.43
  4. Step 4: Simplify right side
    1,871,040.43x = 3,566,223,322,642.46
  5. Step 5: Solve for x
    x = 3,566,223,322,642.46/1,871,040.43
  6. Step 6: Final answer
    x = 1,906,010.83

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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.