Home / 3,230,426.45-4,458,018.40-1,780,173.79

Finding the Fourth Proportional to 3,230,426.45, 4,458,018.40 and 1,780,173.79

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Solution

The fourth proportional to 3,230,426.45, 4,458,018.40 and 1,780,173.79 is: 2,456,656.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230,426.45 : 4,458,018.40 = 1,780,173.79 : x
  2. Step 2: Convert to fraction form
    3,230,426.45/4,458,018.40 = 1,780,173.79/x
  3. Step 3: Cross multiply
    3,230,426.45x = 4,458,018.40 × 1,780,173.79
  4. Step 4: Simplify right side
    3,230,426.45x = 7,936,047,488,727.65
  5. Step 5: Solve for x
    x = 7,936,047,488,727.65/3,230,426.45
  6. Step 6: Final answer
    x = 2,456,656.30

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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.