Home / 2,175,991.76-3,002,808.96-1,209,097.19

Finding the Fourth Proportional to 2,175,991.76, 3,002,808.96 and 1,209,097.19

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Solution

The fourth proportional to 2,175,991.76, 3,002,808.96 and 1,209,097.19 is: 1,668,520.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,991.76 : 3,002,808.96 = 1,209,097.19 : x
  2. Step 2: Convert to fraction form
    2,175,991.76/3,002,808.96 = 1,209,097.19/x
  3. Step 3: Cross multiply
    2,175,991.76x = 3,002,808.96 × 1,209,097.19
  4. Step 4: Simplify right side
    2,175,991.76x = 3,630,687,860,628.78
  5. Step 5: Solve for x
    x = 3,630,687,860,628.78/2,175,991.76
  6. Step 6: Final answer
    x = 1,668,520.96

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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.