Home / 3,122,514.72-4,682,768.79-992,100.93

Finding the Fourth Proportional to 3,122,514.72, 4,682,768.79 and 992,100.93

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Solution

The fourth proportional to 3,122,514.72, 4,682,768.79 and 992,100.93 is: 1,487,832.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122,514.72 : 4,682,768.79 = 992,100.93 : x
  2. Step 2: Convert to fraction form
    3,122,514.72/4,682,768.79 = 992,100.93/x
  3. Step 3: Cross multiply
    3,122,514.72x = 4,682,768.79 × 992,100.93
  4. Step 4: Simplify right side
    3,122,514.72x = 4,645,779,271,533.97
  5. Step 5: Solve for x
    x = 4,645,779,271,533.97/3,122,514.72
  6. Step 6: Final answer
    x = 1,487,832.62

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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.