Home / 2,808,304-4,209,071.44-1,289,891.68

Finding the Fourth Proportional to 2,808,304, 4,209,071.44 and 1,289,891.68

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Solution

The fourth proportional to 2,808,304, 4,209,071.44 and 1,289,891.68 is: 1,933,282.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,304 : 4,209,071.44 = 1,289,891.68 : x
  2. Step 2: Convert to fraction form
    2,808,304/4,209,071.44 = 1,289,891.68/x
  3. Step 3: Cross multiply
    2,808,304x = 4,209,071.44 × 1,289,891.68
  4. Step 4: Simplify right side
    2,808,304x = 5,429,246,230,981.62
  5. Step 5: Solve for x
    x = 5,429,246,230,981.62/2,808,304
  6. Step 6: Final answer
    x = 1,933,282.95

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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.