Home / 2,287,278.67-3,156,421.75-1,268,657.23

Finding the Fourth Proportional to 2,287,278.67, 3,156,421.75 and 1,268,657.23

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Solution

The fourth proportional to 2,287,278.67, 3,156,421.75 and 1,268,657.23 is: 1,750,734.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287,278.67 : 3,156,421.75 = 1,268,657.23 : x
  2. Step 2: Convert to fraction form
    2,287,278.67/3,156,421.75 = 1,268,657.23/x
  3. Step 3: Cross multiply
    2,287,278.67x = 3,156,421.75 × 1,268,657.23
  4. Step 4: Simplify right side
    2,287,278.67x = 4,004,417,274,066.75
  5. Step 5: Solve for x
    x = 4,004,417,274,066.75/2,287,278.67
  6. Step 6: Final answer
    x = 1,750,734.32

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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.