Home / 2,419,613.40-3,629,420.10-1,971,715.80

Finding the Fourth Proportional to 2,419,613.40, 3,629,420.10 and 1,971,715.80

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Solution

The fourth proportional to 2,419,613.40, 3,629,420.10 and 1,971,715.80 is: 2,957,573.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419,613.40 : 3,629,420.10 = 1,971,715.80 : x
  2. Step 2: Convert to fraction form
    2,419,613.40/3,629,420.10 = 1,971,715.80/x
  3. Step 3: Cross multiply
    2,419,613.40x = 3,629,420.10 × 1,971,715.80
  4. Step 4: Simplify right side
    2,419,613.40x = 7,156,184,956,007.58
  5. Step 5: Solve for x
    x = 7,156,184,956,007.58/2,419,613.40
  6. Step 6: Final answer
    x = 2,957,573.70

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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.