Home / 2,114,983.80-2,918,694.76-1,172,015.06

Finding the Fourth Proportional to 2,114,983.80, 2,918,694.76 and 1,172,015.06

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Solution

The fourth proportional to 2,114,983.80, 2,918,694.76 and 1,172,015.06 is: 1,617,390.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114,983.80 : 2,918,694.76 = 1,172,015.06 : x
  2. Step 2: Convert to fraction form
    2,114,983.80/2,918,694.76 = 1,172,015.06/x
  3. Step 3: Cross multiply
    2,114,983.80x = 2,918,694.76 × 1,172,015.06
  4. Step 4: Simplify right side
    2,114,983.80x = 3,420,754,214,263.09
  5. Step 5: Solve for x
    x = 3,420,754,214,263.09/2,114,983.80
  6. Step 6: Final answer
    x = 1,617,390.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.