Home / 1,914,289.38-2,871,489.69-715,983.03

Finding the Fourth Proportional to 1,914,289.38, 2,871,489.69 and 715,983.03

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Solution

The fourth proportional to 1,914,289.38, 2,871,489.69 and 715,983.03 is: 1,073,995.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,289.38 : 2,871,489.69 = 715,983.03 : x
  2. Step 2: Convert to fraction form
    1,914,289.38/2,871,489.69 = 715,983.03/x
  3. Step 3: Cross multiply
    1,914,289.38x = 2,871,489.69 × 715,983.03
  4. Step 4: Simplify right side
    1,914,289.38x = 2,055,937,888,859.96
  5. Step 5: Solve for x
    x = 2,055,937,888,859.96/1,914,289.38
  6. Step 6: Final answer
    x = 1,073,995.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.