Home / 2,789,840.72-4,184,760.90-896,729.78

Finding the Fourth Proportional to 2,789,840.72, 4,184,760.90 and 896,729.78

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Solution

The fourth proportional to 2,789,840.72, 4,184,760.90 and 896,729.78 is: 1,345,094.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,840.72 : 4,184,760.90 = 896,729.78 : x
  2. Step 2: Convert to fraction form
    2,789,840.72/4,184,760.90 = 896,729.78/x
  3. Step 3: Cross multiply
    2,789,840.72x = 4,184,760.90 × 896,729.78
  4. Step 4: Simplify right side
    2,789,840.72x = 3,752,599,721,209.60
  5. Step 5: Solve for x
    x = 3,752,599,721,209.60/2,789,840.72
  6. Step 6: Final answer
    x = 1,345,094.61

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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.