Home / 2,913,739.80-4,368,276.90-1,229,458.20

Finding the Fourth Proportional to 2,913,739.80, 4,368,276.90 and 1,229,458.20

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Solution

The fourth proportional to 2,913,739.80, 4,368,276.90 and 1,229,458.20 is: 1,843,202.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,739.80 : 4,368,276.90 = 1,229,458.20 : x
  2. Step 2: Convert to fraction form
    2,913,739.80/4,368,276.90 = 1,229,458.20/x
  3. Step 3: Cross multiply
    2,913,739.80x = 4,368,276.90 × 1,229,458.20
  4. Step 4: Simplify right side
    2,913,739.80x = 5,370,613,854,575.58
  5. Step 5: Solve for x
    x = 5,370,613,854,575.58/2,913,739.80
  6. Step 6: Final answer
    x = 1,843,202.97

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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.