Home / 3,420,488.70-5,127,525.45-1,292,003.10

Finding the Fourth Proportional to 3,420,488.70, 5,127,525.45 and 1,292,003.10

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Solution

The fourth proportional to 3,420,488.70, 5,127,525.45 and 1,292,003.10 is: 1,936,793.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,488.70 : 5,127,525.45 = 1,292,003.10 : x
  2. Step 2: Convert to fraction form
    3,420,488.70/5,127,525.45 = 1,292,003.10/x
  3. Step 3: Cross multiply
    3,420,488.70x = 5,127,525.45 × 1,292,003.10
  4. Step 4: Simplify right side
    3,420,488.70x = 6,624,778,776,728.90
  5. Step 5: Solve for x
    x = 6,624,778,776,728.90/3,420,488.70
  6. Step 6: Final answer
    x = 1,936,793.06

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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.