Home / 2,281,879.50-3,148,873.97-1,249,189.31

Finding the Fourth Proportional to 2,281,879.50, 3,148,873.97 and 1,249,189.31

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Solution

The fourth proportional to 2,281,879.50, 3,148,873.97 and 1,249,189.31 is: 1,723,815.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281,879.50 : 3,148,873.97 = 1,249,189.31 : x
  2. Step 2: Convert to fraction form
    2,281,879.50/3,148,873.97 = 1,249,189.31/x
  3. Step 3: Cross multiply
    2,281,879.50x = 3,148,873.97 × 1,249,189.31
  4. Step 4: Simplify right side
    2,281,879.50x = 3,933,539,679,870.94
  5. Step 5: Solve for x
    x = 3,933,539,679,870.94/2,281,879.50
  6. Step 6: Final answer
    x = 1,723,815.69

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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.