Home / 2,109,827.20-3,164,827.20-613,919.20

Finding the Fourth Proportional to 2,109,827.20, 3,164,827.20 and 613,919.20

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Solution

The fourth proportional to 2,109,827.20, 3,164,827.20 and 613,919.20 is: 920,903.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,827.20 : 3,164,827.20 = 613,919.20 : x
  2. Step 2: Convert to fraction form
    2,109,827.20/3,164,827.20 = 613,919.20/x
  3. Step 3: Cross multiply
    2,109,827.20x = 3,164,827.20 × 613,919.20
  4. Step 4: Simplify right side
    2,109,827.20x = 1,942,948,182,762.24
  5. Step 5: Solve for x
    x = 1,942,948,182,762.24/2,109,827.20
  6. Step 6: Final answer
    x = 920,903.94

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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.