Home / 1,945,212.48-2,684,841.12-1,140,655.68

Finding the Fourth Proportional to 1,945,212.48, 2,684,841.12 and 1,140,655.68

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Solution

The fourth proportional to 1,945,212.48, 2,684,841.12 and 1,140,655.68 is: 1,574,367.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,212.48 : 2,684,841.12 = 1,140,655.68 : x
  2. Step 2: Convert to fraction form
    1,945,212.48/2,684,841.12 = 1,140,655.68/x
  3. Step 3: Cross multiply
    1,945,212.48x = 2,684,841.12 × 1,140,655.68
  4. Step 4: Simplify right side
    1,945,212.48x = 3,062,479,273,425.56
  5. Step 5: Solve for x
    x = 3,062,479,273,425.56/1,945,212.48
  6. Step 6: Final answer
    x = 1,574,367.48

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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.