Home / 5,338,147.59-7,366,650.78-2,890,762.86

Finding the Fourth Proportional to 5,338,147.59, 7,366,650.78 and 2,890,762.86

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Solution

The fourth proportional to 5,338,147.59, 7,366,650.78 and 2,890,762.86 is: 3,989,256.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338,147.59 : 7,366,650.78 = 2,890,762.86 : x
  2. Step 2: Convert to fraction form
    5,338,147.59/7,366,650.78 = 2,890,762.86/x
  3. Step 3: Cross multiply
    5,338,147.59x = 7,366,650.78 × 2,890,762.86
  4. Step 4: Simplify right side
    5,338,147.59x = 21,295,240,477,414.03
  5. Step 5: Solve for x
    x = 21,295,240,477,414.03/5,338,147.59
  6. Step 6: Final answer
    x = 3,989,256.59

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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.