Home / 2,817,185.78-4,225,851.45-767,863.19

Finding the Fourth Proportional to 2,817,185.78, 4,225,851.45 and 767,863.19

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Solution

The fourth proportional to 2,817,185.78, 4,225,851.45 and 767,863.19 is: 1,151,814.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817,185.78 : 4,225,851.45 = 767,863.19 : x
  2. Step 2: Convert to fraction form
    2,817,185.78/4,225,851.45 = 767,863.19/x
  3. Step 3: Cross multiply
    2,817,185.78x = 4,225,851.45 × 767,863.19
  4. Step 4: Simplify right side
    2,817,185.78x = 3,244,875,753,733.87
  5. Step 5: Solve for x
    x = 3,244,875,753,733.87/2,817,185.78
  6. Step 6: Final answer
    x = 1,151,814.62

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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.