Home / 3,981,142.57-5,970,729.63-1,706,409

Finding the Fourth Proportional to 3,981,142.57, 5,970,729.63 and 1,706,409

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Solution

The fourth proportional to 3,981,142.57, 5,970,729.63 and 1,706,409 is: 2,559,191.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981,142.57 : 5,970,729.63 = 1,706,409 : x
  2. Step 2: Convert to fraction form
    3,981,142.57/5,970,729.63 = 1,706,409/x
  3. Step 3: Cross multiply
    3,981,142.57x = 5,970,729.63 × 1,706,409
  4. Step 4: Simplify right side
    3,981,142.57x = 10,188,506,768,666.62
  5. Step 5: Solve for x
    x = 10,188,506,768,666.62/3,981,142.57
  6. Step 6: Final answer
    x = 2,559,191.64

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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.