Home / 2,681,520.30-4,022,377.65-788,453.10

Finding the Fourth Proportional to 2,681,520.30, 4,022,377.65 and 788,453.10

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Solution

The fourth proportional to 2,681,520.30, 4,022,377.65 and 788,453.10 is: 1,182,708.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681,520.30 : 4,022,377.65 = 788,453.10 : x
  2. Step 2: Convert to fraction form
    2,681,520.30/4,022,377.65 = 788,453.10/x
  3. Step 3: Cross multiply
    2,681,520.30x = 4,022,377.65 × 788,453.10
  4. Step 4: Simplify right side
    2,681,520.30x = 3,171,456,127,513.22
  5. Step 5: Solve for x
    x = 3,171,456,127,513.22/2,681,520.30
  6. Step 6: Final answer
    x = 1,182,708.23

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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.