Home / 2,813,939.80-3,881,739.36-1,711,708.20

Finding the Fourth Proportional to 2,813,939.80, 3,881,739.36 and 1,711,708.20

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Solution

The fourth proportional to 2,813,939.80, 3,881,739.36 and 1,711,708.20 is: 2,361,246.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813,939.80 : 3,881,739.36 = 1,711,708.20 : x
  2. Step 2: Convert to fraction form
    2,813,939.80/3,881,739.36 = 1,711,708.20/x
  3. Step 3: Cross multiply
    2,813,939.80x = 3,881,739.36 × 1,711,708.20
  4. Step 4: Simplify right side
    2,813,939.80x = 6,644,405,092,774.75
  5. Step 5: Solve for x
    x = 6,644,405,092,774.75/2,813,939.80
  6. Step 6: Final answer
    x = 2,361,246.35

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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.