Home / 2,170,489.20-3,256,900.20-908,444.40

Finding the Fourth Proportional to 2,170,489.20, 3,256,900.20 and 908,444.40

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Solution

The fourth proportional to 2,170,489.20, 3,256,900.20 and 908,444.40 is: 1,363,154.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,489.20 : 3,256,900.20 = 908,444.40 : x
  2. Step 2: Convert to fraction form
    2,170,489.20/3,256,900.20 = 908,444.40/x
  3. Step 3: Cross multiply
    2,170,489.20x = 3,256,900.20 × 908,444.40
  4. Step 4: Simplify right side
    2,170,489.20x = 2,958,712,748,048.88
  5. Step 5: Solve for x
    x = 2,958,712,748,048.88/2,170,489.20
  6. Step 6: Final answer
    x = 1,363,154.79

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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.