Home / 2,630,043.20-3,945,194.40-1,370,331.20

Finding the Fourth Proportional to 2,630,043.20, 3,945,194.40 and 1,370,331.20

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Solution

The fourth proportional to 2,630,043.20, 3,945,194.40 and 1,370,331.20 is: 2,055,564.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630,043.20 : 3,945,194.40 = 1,370,331.20 : x
  2. Step 2: Convert to fraction form
    2,630,043.20/3,945,194.40 = 1,370,331.20/x
  3. Step 3: Cross multiply
    2,630,043.20x = 3,945,194.40 × 1,370,331.20
  4. Step 4: Simplify right side
    2,630,043.20x = 5,406,222,976,385.28
  5. Step 5: Solve for x
    x = 5,406,222,976,385.28/2,630,043.20
  6. Step 6: Final answer
    x = 2,055,564.33

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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.