Home / 2,124,458.62-3,187,629.96-1,113,340.21

Finding the Fourth Proportional to 2,124,458.62, 3,187,629.96 and 1,113,340.21

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Solution

The fourth proportional to 2,124,458.62, 3,187,629.96 and 1,113,340.21 is: 1,670,503.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,458.62 : 3,187,629.96 = 1,113,340.21 : x
  2. Step 2: Convert to fraction form
    2,124,458.62/3,187,629.96 = 1,113,340.21/x
  3. Step 3: Cross multiply
    2,124,458.62x = 3,187,629.96 × 1,113,340.21
  4. Step 4: Simplify right side
    2,124,458.62x = 3,548,916,609,068.69
  5. Step 5: Solve for x
    x = 3,548,916,609,068.69/2,124,458.62
  6. Step 6: Final answer
    x = 1,670,503.99

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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.