Home / 2,086,370.60-3,128,778.30-738,012.20

Finding the Fourth Proportional to 2,086,370.60, 3,128,778.30 and 738,012.20

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Solution

The fourth proportional to 2,086,370.60, 3,128,778.30 and 738,012.20 is: 1,106,743.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,370.60 : 3,128,778.30 = 738,012.20 : x
  2. Step 2: Convert to fraction form
    2,086,370.60/3,128,778.30 = 738,012.20/x
  3. Step 3: Cross multiply
    2,086,370.60x = 3,128,778.30 × 738,012.20
  4. Step 4: Simplify right side
    2,086,370.60x = 2,309,076,556,495.26
  5. Step 5: Solve for x
    x = 2,309,076,556,495.26/2,086,370.60
  6. Step 6: Final answer
    x = 1,106,743.24

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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.