Home / 2,257,672.86-3,115,590.56-1,225,180.64

Finding the Fourth Proportional to 2,257,672.86, 3,115,590.56 and 1,225,180.64

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Solution

The fourth proportional to 2,257,672.86, 3,115,590.56 and 1,225,180.64 is: 1,690,750.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,672.86 : 3,115,590.56 = 1,225,180.64 : x
  2. Step 2: Convert to fraction form
    2,257,672.86/3,115,590.56 = 1,225,180.64/x
  3. Step 3: Cross multiply
    2,257,672.86x = 3,115,590.56 × 1,225,180.64
  4. Step 4: Simplify right side
    2,257,672.86x = 3,817,161,214,574.90
  5. Step 5: Solve for x
    x = 3,817,161,214,574.90/2,257,672.86
  6. Step 6: Final answer
    x = 1,690,750.37

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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.