Home / 2,209,764.80-3,314,647.20-1,145,133.20

Finding the Fourth Proportional to 2,209,764.80, 3,314,647.20 and 1,145,133.20

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Solution

The fourth proportional to 2,209,764.80, 3,314,647.20 and 1,145,133.20 is: 1,717,699.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,764.80 : 3,314,647.20 = 1,145,133.20 : x
  2. Step 2: Convert to fraction form
    2,209,764.80/3,314,647.20 = 1,145,133.20/x
  3. Step 3: Cross multiply
    2,209,764.80x = 3,314,647.20 × 1,145,133.20
  4. Step 4: Simplify right side
    2,209,764.80x = 3,795,712,555,007.04
  5. Step 5: Solve for x
    x = 3,795,712,555,007.04/2,209,764.80
  6. Step 6: Final answer
    x = 1,717,699.80

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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.