Home / 5,151,407.87-7,108,587.25-2,859,388.13

Finding the Fourth Proportional to 5,151,407.87, 7,108,587.25 and 2,859,388.13

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Solution

The fourth proportional to 5,151,407.87, 7,108,587.25 and 2,859,388.13 is: 3,945,758.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151,407.87 : 7,108,587.25 = 2,859,388.13 : x
  2. Step 2: Convert to fraction form
    5,151,407.87/7,108,587.25 = 2,859,388.13/x
  3. Step 3: Cross multiply
    5,151,407.87x = 7,108,587.25 × 2,859,388.13
  4. Step 4: Simplify right side
    5,151,407.87x = 20,326,209,961,027.93
  5. Step 5: Solve for x
    x = 20,326,209,961,027.93/5,151,407.87
  6. Step 6: Final answer
    x = 3,945,758.23

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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.