Home / 5,290,889.72-7,298,736.09-3,456,421.80

Finding the Fourth Proportional to 5,290,889.72, 7,298,736.09 and 3,456,421.80

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Solution

The fourth proportional to 5,290,889.72, 7,298,736.09 and 3,456,421.80 is: 4,768,103.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290,889.72 : 7,298,736.09 = 3,456,421.80 : x
  2. Step 2: Convert to fraction form
    5,290,889.72/7,298,736.09 = 3,456,421.80/x
  3. Step 3: Cross multiply
    5,290,889.72x = 7,298,736.09 × 3,456,421.80
  4. Step 4: Simplify right side
    5,290,889.72x = 25,227,510,493,590.92
  5. Step 5: Solve for x
    x = 25,227,510,493,590.92/5,290,889.72
  6. Step 6: Final answer
    x = 4,768,103.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.