Home / 2,123,756.60-3,183,950.90-1,112,684.63

Finding the Fourth Proportional to 2,123,756.60, 3,183,950.90 and 1,112,684.63

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Solution

The fourth proportional to 2,123,756.60, 3,183,950.90 and 1,112,684.63 is: 1,668,144.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123,756.60 : 3,183,950.90 = 1,112,684.63 : x
  2. Step 2: Convert to fraction form
    2,123,756.60/3,183,950.90 = 1,112,684.63/x
  3. Step 3: Cross multiply
    2,123,756.60x = 3,183,950.90 × 1,112,684.63
  4. Step 4: Simplify right side
    2,123,756.60x = 3,542,733,215,966.62
  5. Step 5: Solve for x
    x = 3,542,733,215,966.62/2,123,756.60
  6. Step 6: Final answer
    x = 1,668,144.66

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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.