Home / 6,191,531.20-9,286,859.40-2,147,039.20

Finding the Fourth Proportional to 6,191,531.20, 9,286,859.40 and 2,147,039.20

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Solution

The fourth proportional to 6,191,531.20, 9,286,859.40 and 2,147,039.20 is: 3,220,407.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191,531.20 : 9,286,859.40 = 2,147,039.20 : x
  2. Step 2: Convert to fraction form
    6,191,531.20/9,286,859.40 = 2,147,039.20/x
  3. Step 3: Cross multiply
    6,191,531.20x = 9,286,859.40 × 2,147,039.20
  4. Step 4: Simplify right side
    6,191,531.20x = 19,939,251,176,688.48
  5. Step 5: Solve for x
    x = 19,939,251,176,688.48/6,191,531.20
  6. Step 6: Final answer
    x = 3,220,407.12

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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.