Home / 2,706,949.80-4,055,995.08-1,638,754.20

Finding the Fourth Proportional to 2,706,949.80, 4,055,995.08 and 1,638,754.20

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Solution

The fourth proportional to 2,706,949.80, 4,055,995.08 and 1,638,754.20 is: 2,455,449.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,706,949.80 : 4,055,995.08 = 1,638,754.20 : x
  2. Step 2: Convert to fraction form
    2,706,949.80/4,055,995.08 = 1,638,754.20/x
  3. Step 3: Cross multiply
    2,706,949.80x = 4,055,995.08 × 1,638,754.20
  4. Step 4: Simplify right side
    2,706,949.80x = 6,646,778,972,529.34
  5. Step 5: Solve for x
    x = 6,646,778,972,529.34/2,706,949.80
  6. Step 6: Final answer
    x = 2,455,449.66

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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.