Home / 3,105,181.80-4,657,772.70-975,481.20

Finding the Fourth Proportional to 3,105,181.80, 4,657,772.70 and 975,481.20

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Solution

The fourth proportional to 3,105,181.80, 4,657,772.70 and 975,481.20 is: 1,463,221.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,181.80 : 4,657,772.70 = 975,481.20 : x
  2. Step 2: Convert to fraction form
    3,105,181.80/4,657,772.70 = 975,481.20/x
  3. Step 3: Cross multiply
    3,105,181.80x = 4,657,772.70 × 975,481.20
  4. Step 4: Simplify right side
    3,105,181.80x = 4,543,569,702,723.24
  5. Step 5: Solve for x
    x = 4,543,569,702,723.24/3,105,181.80
  6. Step 6: Final answer
    x = 1,463,221.80

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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.