Home / 2,080,981-2,871,753.78-1,127,125

Finding the Fourth Proportional to 2,080,981, 2,871,753.78 and 1,127,125

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Solution

The fourth proportional to 2,080,981, 2,871,753.78 and 1,127,125 is: 1,555,432.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,981 : 2,871,753.78 = 1,127,125 : x
  2. Step 2: Convert to fraction form
    2,080,981/2,871,753.78 = 1,127,125/x
  3. Step 3: Cross multiply
    2,080,981x = 2,871,753.78 × 1,127,125
  4. Step 4: Simplify right side
    2,080,981x = 3,236,825,479,282.50
  5. Step 5: Solve for x
    x = 3,236,825,479,282.50/2,080,981
  6. Step 6: Final answer
    x = 1,555,432.50

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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.