Home / 2,988,609.66-4,483,234.49-829,643.76

Finding the Fourth Proportional to 2,988,609.66, 4,483,234.49 and 829,643.76

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Solution

The fourth proportional to 2,988,609.66, 4,483,234.49 and 829,643.76 is: 1,244,554.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,609.66 : 4,483,234.49 = 829,643.76 : x
  2. Step 2: Convert to fraction form
    2,988,609.66/4,483,234.49 = 829,643.76/x
  3. Step 3: Cross multiply
    2,988,609.66x = 4,483,234.49 × 829,643.76
  4. Step 4: Simplify right side
    2,988,609.66x = 3,719,487,515,097.06
  5. Step 5: Solve for x
    x = 3,719,487,515,097.06/2,988,609.66
  6. Step 6: Final answer
    x = 1,244,554.47

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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.