Home / 2,887,833-3,976,308.18-2,564,982.12

Finding the Fourth Proportional to 2,887,833, 3,976,308.18 and 2,564,982.12

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Solution

The fourth proportional to 2,887,833, 3,976,308.18 and 2,564,982.12 is: 3,531,769.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,833 : 3,976,308.18 = 2,564,982.12 : x
  2. Step 2: Convert to fraction form
    2,887,833/3,976,308.18 = 2,564,982.12/x
  3. Step 3: Cross multiply
    2,887,833x = 3,976,308.18 × 2,564,982.12
  4. Step 4: Simplify right side
    2,887,833x = 10,199,159,385,309.74
  5. Step 5: Solve for x
    x = 10,199,159,385,309.74/2,887,833
  6. Step 6: Final answer
    x = 3,531,769.11

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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.