Home / 3,526,722.12-4,866,929.82-1,978,327.02

Finding the Fourth Proportional to 3,526,722.12, 4,866,929.82 and 1,978,327.02

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Solution

The fourth proportional to 3,526,722.12, 4,866,929.82 and 1,978,327.02 is: 2,730,121.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526,722.12 : 4,866,929.82 = 1,978,327.02 : x
  2. Step 2: Convert to fraction form
    3,526,722.12/4,866,929.82 = 1,978,327.02/x
  3. Step 3: Cross multiply
    3,526,722.12x = 4,866,929.82 × 1,978,327.02
  4. Step 4: Simplify right side
    3,526,722.12x = 9,628,378,767,349.74
  5. Step 5: Solve for x
    x = 9,628,378,767,349.74/3,526,722.12
  6. Step 6: Final answer
    x = 2,730,121.18

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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.