Home / 2,209,945.80-3,314,918.70-1,145,314.20

Finding the Fourth Proportional to 2,209,945.80, 3,314,918.70 and 1,145,314.20

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Solution

The fourth proportional to 2,209,945.80, 3,314,918.70 and 1,145,314.20 is: 1,717,971.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,945.80 : 3,314,918.70 = 1,145,314.20 : x
  2. Step 2: Convert to fraction form
    2,209,945.80/3,314,918.70 = 1,145,314.20/x
  3. Step 3: Cross multiply
    2,209,945.80x = 3,314,918.70 × 1,145,314.20
  4. Step 4: Simplify right side
    2,209,945.80x = 3,796,623,458,955.54
  5. Step 5: Solve for x
    x = 3,796,623,458,955.54/2,209,945.80
  6. Step 6: Final answer
    x = 1,717,971.30

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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.