Home / 3,430,172.28-5,143,950.55-1,155,085.85

Finding the Fourth Proportional to 3,430,172.28, 5,143,950.55 and 1,155,085.85

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Solution

The fourth proportional to 3,430,172.28, 5,143,950.55 and 1,155,085.85 is: 1,732,188.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430,172.28 : 5,143,950.55 = 1,155,085.85 : x
  2. Step 2: Convert to fraction form
    3,430,172.28/5,143,950.55 = 1,155,085.85/x
  3. Step 3: Cross multiply
    3,430,172.28x = 5,143,950.55 × 1,155,085.85
  4. Step 4: Simplify right side
    3,430,172.28x = 5,941,704,503,376.88
  5. Step 5: Solve for x
    x = 5,941,704,503,376.88/3,430,172.28
  6. Step 6: Final answer
    x = 1,732,188.36

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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.