Home / 3,557,281.20-4,909,629.34-2,181,382.19

Finding the Fourth Proportional to 3,557,281.20, 4,909,629.34 and 2,181,382.19

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Solution

The fourth proportional to 3,557,281.20, 4,909,629.34 and 2,181,382.19 is: 3,010,663.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557,281.20 : 4,909,629.34 = 2,181,382.19 : x
  2. Step 2: Convert to fraction form
    3,557,281.20/4,909,629.34 = 2,181,382.19/x
  3. Step 3: Cross multiply
    3,557,281.20x = 4,909,629.34 × 2,181,382.19
  4. Step 4: Simplify right side
    3,557,281.20x = 10,709,778,001,777.45
  5. Step 5: Solve for x
    x = 10,709,778,001,777.45/3,557,281.20
  6. Step 6: Final answer
    x = 3,010,663.88

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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.