Home / 3,978,487.40-5,967,731.10-1,738,999.40

Finding the Fourth Proportional to 3,978,487.40, 5,967,731.10 and 1,738,999.40

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Solution

The fourth proportional to 3,978,487.40, 5,967,731.10 and 1,738,999.40 is: 2,608,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,978,487.40 : 5,967,731.10 = 1,738,999.40 : x
  2. Step 2: Convert to fraction form
    3,978,487.40/5,967,731.10 = 1,738,999.40/x
  3. Step 3: Cross multiply
    3,978,487.40x = 5,967,731.10 × 1,738,999.40
  4. Step 4: Simplify right side
    3,978,487.40x = 10,377,880,802,261.34
  5. Step 5: Solve for x
    x = 10,377,880,802,261.34/3,978,487.40
  6. Step 6: Final answer
    x = 2,608,499.10

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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.