Home / 2,813,478.78-4,215,410-2,010,658.62

Finding the Fourth Proportional to 2,813,478.78, 4,215,410 and 2,010,658.62

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Solution

The fourth proportional to 2,813,478.78, 4,215,410 and 2,010,658.62 is: 3,012,551.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813,478.78 : 4,215,410 = 2,010,658.62 : x
  2. Step 2: Convert to fraction form
    2,813,478.78/4,215,410 = 2,010,658.62/x
  3. Step 3: Cross multiply
    2,813,478.78x = 4,215,410 × 2,010,658.62
  4. Step 4: Simplify right side
    2,813,478.78x = 8,475,750,453,334.20
  5. Step 5: Solve for x
    x = 8,475,750,453,334.20/2,813,478.78
  6. Step 6: Final answer
    x = 3,012,551.76

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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.