Home / 2,928,019.40-4,392,029.10-1,923,489.80

Finding the Fourth Proportional to 2,928,019.40, 4,392,029.10 and 1,923,489.80

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Solution

The fourth proportional to 2,928,019.40, 4,392,029.10 and 1,923,489.80 is: 2,885,234.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,019.40 : 4,392,029.10 = 1,923,489.80 : x
  2. Step 2: Convert to fraction form
    2,928,019.40/4,392,029.10 = 1,923,489.80/x
  3. Step 3: Cross multiply
    2,928,019.40x = 4,392,029.10 × 1,923,489.80
  4. Step 4: Simplify right side
    2,928,019.40x = 8,448,023,175,153.18
  5. Step 5: Solve for x
    x = 8,448,023,175,153.18/2,928,019.40
  6. Step 6: Final answer
    x = 2,885,234.70

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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.