Home / 5,085,232.28-7,015,642.76-2,879,588.78

Finding the Fourth Proportional to 5,085,232.28, 7,015,642.76 and 2,879,588.78

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Solution

The fourth proportional to 5,085,232.28, 7,015,642.76 and 2,879,588.78 is: 3,972,712.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085,232.28 : 7,015,642.76 = 2,879,588.78 : x
  2. Step 2: Convert to fraction form
    5,085,232.28/7,015,642.76 = 2,879,588.78/x
  3. Step 3: Cross multiply
    5,085,232.28x = 7,015,642.76 × 2,879,588.78
  4. Step 4: Simplify right side
    5,085,232.28x = 20,202,166,176,184.23
  5. Step 5: Solve for x
    x = 20,202,166,176,184.23/5,085,232.28
  6. Step 6: Final answer
    x = 3,972,712.57

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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.