Home / 5,112,901.80-7,055,952.12-2,821,210.11

Finding the Fourth Proportional to 5,112,901.80, 7,055,952.12 and 2,821,210.11

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Solution

The fourth proportional to 5,112,901.80, 7,055,952.12 and 2,821,210.11 is: 3,893,351.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,901.80 : 7,055,952.12 = 2,821,210.11 : x
  2. Step 2: Convert to fraction form
    5,112,901.80/7,055,952.12 = 2,821,210.11/x
  3. Step 3: Cross multiply
    5,112,901.80x = 7,055,952.12 × 2,821,210.11
  4. Step 4: Simplify right side
    5,112,901.80x = 19,906,323,456,619.93
  5. Step 5: Solve for x
    x = 19,906,323,456,619.93/5,112,901.80
  6. Step 6: Final answer
    x = 3,893,351.41

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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.