Home / 2,002,415.90-3,003,763.95-991,266.36

Finding the Fourth Proportional to 2,002,415.90, 3,003,763.95 and 991,266.36

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Solution

The fourth proportional to 2,002,415.90, 3,003,763.95 and 991,266.36 is: 1,486,968.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002,415.90 : 3,003,763.95 = 991,266.36 : x
  2. Step 2: Convert to fraction form
    2,002,415.90/3,003,763.95 = 991,266.36/x
  3. Step 3: Cross multiply
    2,002,415.90x = 3,003,763.95 × 991,266.36
  4. Step 4: Simplify right side
    2,002,415.90x = 2,977,530,157,015.72
  5. Step 5: Solve for x
    x = 2,977,530,157,015.72/2,002,415.90
  6. Step 6: Final answer
    x = 1,486,968.89

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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.