Home / 2,103,207.40-3,154,811.10-683,309.80

Finding the Fourth Proportional to 2,103,207.40, 3,154,811.10 and 683,309.80

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Solution

The fourth proportional to 2,103,207.40, 3,154,811.10 and 683,309.80 is: 1,024,964.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,207.40 : 3,154,811.10 = 683,309.80 : x
  2. Step 2: Convert to fraction form
    2,103,207.40/3,154,811.10 = 683,309.80/x
  3. Step 3: Cross multiply
    2,103,207.40x = 3,154,811.10 × 683,309.80
  4. Step 4: Simplify right side
    2,103,207.40x = 2,155,713,341,778.78
  5. Step 5: Solve for x
    x = 2,155,713,341,778.78/2,103,207.40
  6. Step 6: Final answer
    x = 1,024,964.70

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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.