Home / 2,278,697.73-3,144,989.53-1,312,387.46

Finding the Fourth Proportional to 2,278,697.73, 3,144,989.53 and 1,312,387.46

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Solution

The fourth proportional to 2,278,697.73, 3,144,989.53 and 1,312,387.46 is: 1,811,317.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,697.73 : 3,144,989.53 = 1,312,387.46 : x
  2. Step 2: Convert to fraction form
    2,278,697.73/3,144,989.53 = 1,312,387.46/x
  3. Step 3: Cross multiply
    2,278,697.73x = 3,144,989.53 × 1,312,387.46
  4. Step 4: Simplify right side
    2,278,697.73x = 4,127,444,821,003.29
  5. Step 5: Solve for x
    x = 4,127,444,821,003.29/2,278,697.73
  6. Step 6: Final answer
    x = 1,811,317.39

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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.