Home / 1,815,081.60-2,725,246.80-1,368,933.60

Finding the Fourth Proportional to 1,815,081.60, 2,725,246.80 and 1,368,933.60

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Solution

The fourth proportional to 1,815,081.60, 2,725,246.80 and 1,368,933.60 is: 2,055,379.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,081.60 : 2,725,246.80 = 1,368,933.60 : x
  2. Step 2: Convert to fraction form
    1,815,081.60/2,725,246.80 = 1,368,933.60/x
  3. Step 3: Cross multiply
    1,815,081.60x = 2,725,246.80 × 1,368,933.60
  4. Step 4: Simplify right side
    1,815,081.60x = 3,730,681,912,812.48
  5. Step 5: Solve for x
    x = 3,730,681,912,812.48/1,815,081.60
  6. Step 6: Final answer
    x = 2,055,379.72

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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.