Home / 3,509,199.60-5,263,799.40-2,145,167.70

Finding the Fourth Proportional to 3,509,199.60, 5,263,799.40 and 2,145,167.70

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Solution

The fourth proportional to 3,509,199.60, 5,263,799.40 and 2,145,167.70 is: 3,217,751.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509,199.60 : 5,263,799.40 = 2,145,167.70 : x
  2. Step 2: Convert to fraction form
    3,509,199.60/5,263,799.40 = 2,145,167.70/x
  3. Step 3: Cross multiply
    3,509,199.60x = 5,263,799.40 × 2,145,167.70
  4. Step 4: Simplify right side
    3,509,199.60x = 11,291,732,452,159.38
  5. Step 5: Solve for x
    x = 11,291,732,452,159.38/3,509,199.60
  6. Step 6: Final answer
    x = 3,217,751.55

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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.