Home / 2,287,438.32-3,431,534.74-939,243.04

Finding the Fourth Proportional to 2,287,438.32, 3,431,534.74 and 939,243.04

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Solution

The fourth proportional to 2,287,438.32, 3,431,534.74 and 939,243.04 is: 1,409,019.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287,438.32 : 3,431,534.74 = 939,243.04 : x
  2. Step 2: Convert to fraction form
    2,287,438.32/3,431,534.74 = 939,243.04/x
  3. Step 3: Cross multiply
    2,287,438.32x = 3,431,534.74 × 939,243.04
  4. Step 4: Simplify right side
    2,287,438.32x = 3,223,045,121,063.21
  5. Step 5: Solve for x
    x = 3,223,045,121,063.21/2,287,438.32
  6. Step 6: Final answer
    x = 1,409,019.47

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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.