Home / 1,871,147.36-2,581,593.92-1,145,238.32

Finding the Fourth Proportional to 1,871,147.36, 2,581,593.92 and 1,145,238.32

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Solution

The fourth proportional to 1,871,147.36, 2,581,593.92 and 1,145,238.32 is: 1,580,068.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,147.36 : 2,581,593.92 = 1,145,238.32 : x
  2. Step 2: Convert to fraction form
    1,871,147.36/2,581,593.92 = 1,145,238.32/x
  3. Step 3: Cross multiply
    1,871,147.36x = 2,581,593.92 × 1,145,238.32
  4. Step 4: Simplify right side
    1,871,147.36x = 2,956,540,265,228.85
  5. Step 5: Solve for x
    x = 2,956,540,265,228.85/1,871,147.36
  6. Step 6: Final answer
    x = 1,580,068.11

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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.