Home / 5,145,517.60-7,101,137.58-2,853,678.31

Finding the Fourth Proportional to 5,145,517.60, 7,101,137.58 and 2,853,678.31

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Solution

The fourth proportional to 5,145,517.60, 7,101,137.58 and 2,853,678.31 is: 3,938,255.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145,517.60 : 7,101,137.58 = 2,853,678.31 : x
  2. Step 2: Convert to fraction form
    5,145,517.60/7,101,137.58 = 2,853,678.31/x
  3. Step 3: Cross multiply
    5,145,517.60x = 7,101,137.58 × 2,853,678.31
  4. Step 4: Simplify right side
    5,145,517.60x = 20,264,362,288,371.89
  5. Step 5: Solve for x
    x = 20,264,362,288,371.89/5,145,517.60
  6. Step 6: Final answer
    x = 3,938,255.36

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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.