Home / 3,143,820.69-4,338,932.01-1,767,277.76

Finding the Fourth Proportional to 3,143,820.69, 4,338,932.01 and 1,767,277.76

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Solution

The fourth proportional to 3,143,820.69, 4,338,932.01 and 1,767,277.76 is: 2,439,101.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,820.69 : 4,338,932.01 = 1,767,277.76 : x
  2. Step 2: Convert to fraction form
    3,143,820.69/4,338,932.01 = 1,767,277.76/x
  3. Step 3: Cross multiply
    3,143,820.69x = 4,338,932.01 × 1,767,277.76
  4. Step 4: Simplify right side
    3,143,820.69x = 7,668,098,043,425.10
  5. Step 5: Solve for x
    x = 7,668,098,043,425.10/3,143,820.69
  6. Step 6: Final answer
    x = 2,439,101.59

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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.