Home / 2,880,515.39-4,321,934.96-1,281,985.18

Finding the Fourth Proportional to 2,880,515.39, 4,321,934.96 and 1,281,985.18

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Solution

The fourth proportional to 2,880,515.39, 4,321,934.96 and 1,281,985.18 is: 1,923,494.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880,515.39 : 4,321,934.96 = 1,281,985.18 : x
  2. Step 2: Convert to fraction form
    2,880,515.39/4,321,934.96 = 1,281,985.18/x
  3. Step 3: Cross multiply
    2,880,515.39x = 4,321,934.96 × 1,281,985.18
  4. Step 4: Simplify right side
    2,880,515.39x = 5,540,656,550,429.13
  5. Step 5: Solve for x
    x = 5,540,656,550,429.13/2,880,515.39
  6. Step 6: Final answer
    x = 1,923,494.86

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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.