Home / 3,143,113.67-4,338,681.84-1,836,789.85

Finding the Fourth Proportional to 3,143,113.67, 4,338,681.84 and 1,836,789.85

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Solution

The fourth proportional to 3,143,113.67, 4,338,681.84 and 1,836,789.85 is: 2,535,462.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,113.67 : 4,338,681.84 = 1,836,789.85 : x
  2. Step 2: Convert to fraction form
    3,143,113.67/4,338,681.84 = 1,836,789.85/x
  3. Step 3: Cross multiply
    3,143,113.67x = 4,338,681.84 × 1,836,789.85
  4. Step 4: Simplify right side
    3,143,113.67x = 7,969,246,771,514.68
  5. Step 5: Solve for x
    x = 7,969,246,771,514.68/3,143,113.67
  6. Step 6: Final answer
    x = 2,535,462.48

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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.