Home / 5,168,339.22-7,132,182.24-2,845,212.87

Finding the Fourth Proportional to 5,168,339.22, 7,132,182.24 and 2,845,212.87

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Solution

The fourth proportional to 5,168,339.22, 7,132,182.24 and 2,845,212.87 is: 3,926,324.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,339.22 : 7,132,182.24 = 2,845,212.87 : x
  2. Step 2: Convert to fraction form
    5,168,339.22/7,132,182.24 = 2,845,212.87/x
  3. Step 3: Cross multiply
    5,168,339.22x = 7,132,182.24 × 2,845,212.87
  4. Step 4: Simplify right side
    5,168,339.22x = 20,292,576,700,433.43
  5. Step 5: Solve for x
    x = 20,292,576,700,433.43/5,168,339.22
  6. Step 6: Final answer
    x = 3,926,324.46

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1.5x scale

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.