Home / 2,772,181.92-3,825,642.96-1,626,281.76

Finding the Fourth Proportional to 2,772,181.92, 3,825,642.96 and 1,626,281.76

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Solution

The fourth proportional to 2,772,181.92, 3,825,642.96 and 1,626,281.76 is: 2,244,287.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,181.92 : 3,825,642.96 = 1,626,281.76 : x
  2. Step 2: Convert to fraction form
    2,772,181.92/3,825,642.96 = 1,626,281.76/x
  3. Step 3: Cross multiply
    2,772,181.92x = 3,825,642.96 × 1,626,281.76
  4. Step 4: Simplify right side
    2,772,181.92x = 6,221,573,366,120.41
  5. Step 5: Solve for x
    x = 6,221,573,366,120.41/2,772,181.92
  6. Step 6: Final answer
    x = 2,244,287.55

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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.