Home / 4,680,480.80-7,006,724.40-2,786,247.20

Finding the Fourth Proportional to 4,680,480.80, 7,006,724.40 and 2,786,247.20

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Solution

The fourth proportional to 4,680,480.80, 7,006,724.40 and 2,786,247.20 is: 4,171,038.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680,480.80 : 7,006,724.40 = 2,786,247.20 : x
  2. Step 2: Convert to fraction form
    4,680,480.80/7,006,724.40 = 2,786,247.20/x
  3. Step 3: Cross multiply
    4,680,480.80x = 7,006,724.40 × 2,786,247.20
  4. Step 4: Simplify right side
    4,680,480.80x = 19,522,466,240,671.68
  5. Step 5: Solve for x
    x = 19,522,466,240,671.68/4,680,480.80
  6. Step 6: Final answer
    x = 4,171,038.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.