Home / 2,880,513.39-4,321,931.93-1,281,983.14

Finding the Fourth Proportional to 2,880,513.39, 4,321,931.93 and 1,281,983.14

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Solution

The fourth proportional to 2,880,513.39, 4,321,931.93 and 1,281,983.14 is: 1,923,491.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880,513.39 : 4,321,931.93 = 1,281,983.14 : x
  2. Step 2: Convert to fraction form
    2,880,513.39/4,321,931.93 = 1,281,983.14/x
  3. Step 3: Cross multiply
    2,880,513.39x = 4,321,931.93 × 1,281,983.14
  4. Step 4: Simplify right side
    2,880,513.39x = 5,540,643,866,487.66
  5. Step 5: Solve for x
    x = 5,540,643,866,487.66/2,880,513.39
  6. Step 6: Final answer
    x = 1,923,491.79

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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.