Home / 2,171,263.25-3,255,948.66-731,678.36

Finding the Fourth Proportional to 2,171,263.25, 3,255,948.66 and 731,678.36

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Solution

The fourth proportional to 2,171,263.25, 3,255,948.66 and 731,678.36 is: 1,097,198.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,263.25 : 3,255,948.66 = 731,678.36 : x
  2. Step 2: Convert to fraction form
    2,171,263.25/3,255,948.66 = 731,678.36/x
  3. Step 3: Cross multiply
    2,171,263.25x = 3,255,948.66 × 731,678.36
  4. Step 4: Simplify right side
    2,171,263.25x = 2,382,307,186,655.20
  5. Step 5: Solve for x
    x = 2,382,307,186,655.20/2,171,263.25
  6. Step 6: Final answer
    x = 1,097,198.69

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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.