Home / 2,308,927.20-3,186,310.08-1,290,331.68

Finding the Fourth Proportional to 2,308,927.20, 3,186,310.08 and 1,290,331.68

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Solution

The fourth proportional to 2,308,927.20, 3,186,310.08 and 1,290,331.68 is: 1,780,652.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308,927.20 : 3,186,310.08 = 1,290,331.68 : x
  2. Step 2: Convert to fraction form
    2,308,927.20/3,186,310.08 = 1,290,331.68/x
  3. Step 3: Cross multiply
    2,308,927.20x = 3,186,310.08 × 1,290,331.68
  4. Step 4: Simplify right side
    2,308,927.20x = 4,111,396,838,527.33
  5. Step 5: Solve for x
    x = 4,111,396,838,527.33/2,308,927.20
  6. Step 6: Final answer
    x = 1,780,652.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.