Home / 3,128,275.72-4,692,626.58-998,520.16

Finding the Fourth Proportional to 3,128,275.72, 4,692,626.58 and 998,520.16

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Solution

The fourth proportional to 3,128,275.72, 4,692,626.58 and 998,520.16 is: 1,497,848.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,275.72 : 4,692,626.58 = 998,520.16 : x
  2. Step 2: Convert to fraction form
    3,128,275.72/4,692,626.58 = 998,520.16/x
  3. Step 3: Cross multiply
    3,128,275.72x = 4,692,626.58 × 998,520.16
  4. Step 4: Simplify right side
    3,128,275.72x = 4,685,682,243,481.85
  5. Step 5: Solve for x
    x = 4,685,682,243,481.85/3,128,275.72
  6. Step 6: Final answer
    x = 1,497,848.23

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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.