Home / 2,077,987.60-3,116,203.80-729,629.20

Finding the Fourth Proportional to 2,077,987.60, 3,116,203.80 and 729,629.20

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Solution

The fourth proportional to 2,077,987.60, 3,116,203.80 and 729,629.20 is: 1,094,170.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,987.60 : 3,116,203.80 = 729,629.20 : x
  2. Step 2: Convert to fraction form
    2,077,987.60/3,116,203.80 = 729,629.20/x
  3. Step 3: Cross multiply
    2,077,987.60x = 3,116,203.80 × 729,629.20
  4. Step 4: Simplify right side
    2,077,987.60x = 2,273,673,285,630.96
  5. Step 5: Solve for x
    x = 2,273,673,285,630.96/2,077,987.60
  6. Step 6: Final answer
    x = 1,094,170.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.