Home / 1,942,215.90-2,912,157.45-997,431.90

Finding the Fourth Proportional to 1,942,215.90, 2,912,157.45 and 997,431.90

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Solution

The fourth proportional to 1,942,215.90, 2,912,157.45 and 997,431.90 is: 1,495,548.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,215.90 : 2,912,157.45 = 997,431.90 : x
  2. Step 2: Convert to fraction form
    1,942,215.90/2,912,157.45 = 997,431.90/x
  3. Step 3: Cross multiply
    1,942,215.90x = 2,912,157.45 × 997,431.90
  4. Step 4: Simplify right side
    1,942,215.90x = 2,904,678,738,452.66
  5. Step 5: Solve for x
    x = 2,904,678,738,452.66/1,942,215.90
  6. Step 6: Final answer
    x = 1,495,548.84

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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.