Home / 3,020,991.60-4,168,626.48-1,780,520.88

Finding the Fourth Proportional to 3,020,991.60, 4,168,626.48 and 1,780,520.88

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Solution

The fourth proportional to 3,020,991.60, 4,168,626.48 and 1,780,520.88 is: 2,456,917.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020,991.60 : 4,168,626.48 = 1,780,520.88 : x
  2. Step 2: Convert to fraction form
    3,020,991.60/4,168,626.48 = 1,780,520.88/x
  3. Step 3: Cross multiply
    3,020,991.60x = 4,168,626.48 × 1,780,520.88
  4. Step 4: Simplify right side
    3,020,991.60x = 7,422,326,488,560.90
  5. Step 5: Solve for x
    x = 7,422,326,488,560.90/3,020,991.60
  6. Step 6: Final answer
    x = 2,456,917.29

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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.