Home / 2,636,932-3,955,199.28-839,742.88

Finding the Fourth Proportional to 2,636,932, 3,955,199.28 and 839,742.88

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Solution

The fourth proportional to 2,636,932, 3,955,199.28 and 839,742.88 is: 1,259,551.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636,932 : 3,955,199.28 = 839,742.88 : x
  2. Step 2: Convert to fraction form
    2,636,932/3,955,199.28 = 839,742.88/x
  3. Step 3: Cross multiply
    2,636,932x = 3,955,199.28 × 839,742.88
  4. Step 4: Simplify right side
    2,636,932x = 3,321,350,434,361.13
  5. Step 5: Solve for x
    x = 3,321,350,434,361.13/2,636,932
  6. Step 6: Final answer
    x = 1,259,551.04

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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.