Home / 2,118,276.33-3,175,628.76-919,295.52

Finding the Fourth Proportional to 2,118,276.33, 3,175,628.76 and 919,295.52

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Solution

The fourth proportional to 2,118,276.33, 3,175,628.76 and 919,295.52 is: 1,378,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,276.33 : 3,175,628.76 = 919,295.52 : x
  2. Step 2: Convert to fraction form
    2,118,276.33/3,175,628.76 = 919,295.52/x
  3. Step 3: Cross multiply
    2,118,276.33x = 3,175,628.76 × 919,295.52
  4. Step 4: Simplify right side
    2,118,276.33x = 2,919,341,292,251.16
  5. Step 5: Solve for x
    x = 2,919,341,292,251.16/2,118,276.33
  6. Step 6: Final answer
    x = 1,378,168.30

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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.