Home / 5,043,388.12-6,961,672.90-2,978,412.30

Finding the Fourth Proportional to 5,043,388.12, 6,961,672.90 and 2,978,412.30

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Solution

The fourth proportional to 5,043,388.12, 6,961,672.90 and 2,978,412.30 is: 4,111,270.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043,388.12 : 6,961,672.90 = 2,978,412.30 : x
  2. Step 2: Convert to fraction form
    5,043,388.12/6,961,672.90 = 2,978,412.30/x
  3. Step 3: Cross multiply
    5,043,388.12x = 6,961,672.90 × 2,978,412.30
  4. Step 4: Simplify right side
    5,043,388.12x = 20,734,732,193,936.67
  5. Step 5: Solve for x
    x = 20,734,732,193,936.67/5,043,388.12
  6. Step 6: Final answer
    x = 4,111,270.38

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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.