Home / 2,284,555.80-3,428,145.90-865,630.20

Finding the Fourth Proportional to 2,284,555.80, 3,428,145.90 and 865,630.20

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Solution

The fourth proportional to 2,284,555.80, 3,428,145.90 and 865,630.20 is: 1,298,942.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284,555.80 : 3,428,145.90 = 865,630.20 : x
  2. Step 2: Convert to fraction form
    2,284,555.80/3,428,145.90 = 865,630.20/x
  3. Step 3: Cross multiply
    2,284,555.80x = 3,428,145.90 × 865,630.20
  4. Step 4: Simplify right side
    2,284,555.80x = 2,967,506,621,046.18
  5. Step 5: Solve for x
    x = 2,967,506,621,046.18/2,284,555.80
  6. Step 6: Final answer
    x = 1,298,942.50

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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.