Home / 2,668,577.79-4,003,112.77-871,470.68

Finding the Fourth Proportional to 2,668,577.79, 4,003,112.77 and 871,470.68

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Solution

The fourth proportional to 2,668,577.79, 4,003,112.77 and 871,470.68 is: 1,307,286.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668,577.79 : 4,003,112.77 = 871,470.68 : x
  2. Step 2: Convert to fraction form
    2,668,577.79/4,003,112.77 = 871,470.68/x
  3. Step 3: Cross multiply
    2,668,577.79x = 4,003,112.77 × 871,470.68
  4. Step 4: Simplify right side
    2,668,577.79x = 3,488,595,415,617.69
  5. Step 5: Solve for x
    x = 3,488,595,415,617.69/2,668,577.79
  6. Step 6: Final answer
    x = 1,307,286.39

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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.