Home / 5,181,836.93-7,148,622.09-3,005,118.56

Finding the Fourth Proportional to 5,181,836.93, 7,148,622.09 and 3,005,118.56

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Solution

The fourth proportional to 5,181,836.93, 7,148,622.09 and 3,005,118.56 is: 4,145,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181,836.93 : 7,148,622.09 = 3,005,118.56 : x
  2. Step 2: Convert to fraction form
    5,181,836.93/7,148,622.09 = 3,005,118.56/x
  3. Step 3: Cross multiply
    5,181,836.93x = 7,148,622.09 × 3,005,118.56
  4. Step 4: Simplify right side
    5,181,836.93x = 21,482,456,885,341.88
  5. Step 5: Solve for x
    x = 21,482,456,885,341.88/5,181,836.93
  6. Step 6: Final answer
    x = 4,145,722.30

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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.