Home / 3,159,199.78-4,359,668.50-1,782,553.75

Finding the Fourth Proportional to 3,159,199.78, 4,359,668.50 and 1,782,553.75

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Solution

The fourth proportional to 3,159,199.78, 4,359,668.50 and 1,782,553.75 is: 2,459,908.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159,199.78 : 4,359,668.50 = 1,782,553.75 : x
  2. Step 2: Convert to fraction form
    3,159,199.78/4,359,668.50 = 1,782,553.75/x
  3. Step 3: Cross multiply
    3,159,199.78x = 4,359,668.50 × 1,782,553.75
  4. Step 4: Simplify right side
    3,159,199.78x = 7,771,343,424,760.90
  5. Step 5: Solve for x
    x = 7,771,343,424,760.90/3,159,199.78
  6. Step 6: Final answer
    x = 2,459,908.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.