Home / 3,309,112.80-4,958,420.40-2,185,869.60

Finding the Fourth Proportional to 3,309,112.80, 4,958,420.40 and 2,185,869.60

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Solution

The fourth proportional to 3,309,112.80, 4,958,420.40 and 2,185,869.60 is: 3,275,337.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309,112.80 : 4,958,420.40 = 2,185,869.60 : x
  2. Step 2: Convert to fraction form
    3,309,112.80/4,958,420.40 = 2,185,869.60/x
  3. Step 3: Cross multiply
    3,309,112.80x = 4,958,420.40 × 2,185,869.60
  4. Step 4: Simplify right side
    3,309,112.80x = 10,838,460,416,379.84
  5. Step 5: Solve for x
    x = 10,838,460,416,379.84/3,309,112.80
  6. Step 6: Final answer
    x = 3,275,337.25

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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.