Home / 2,695,833.60-4,043,750.40-1,278,657.60

Finding the Fourth Proportional to 2,695,833.60, 4,043,750.40 and 1,278,657.60

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Solution

The fourth proportional to 2,695,833.60, 4,043,750.40 and 1,278,657.60 is: 1,917,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695,833.60 : 4,043,750.40 = 1,278,657.60 : x
  2. Step 2: Convert to fraction form
    2,695,833.60/4,043,750.40 = 1,278,657.60/x
  3. Step 3: Cross multiply
    2,695,833.60x = 4,043,750.40 × 1,278,657.60
  4. Step 4: Simplify right side
    2,695,833.60x = 5,170,572,181,463.04
  5. Step 5: Solve for x
    x = 5,170,572,181,463.04/2,695,833.60
  6. Step 6: Final answer
    x = 1,917,986.40

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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.