Home / 3,526,717.79-4,866,923.88-1,978,322.70

Finding the Fourth Proportional to 3,526,717.79, 4,866,923.88 and 1,978,322.70

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Solution

The fourth proportional to 3,526,717.79, 4,866,923.88 and 1,978,322.70 is: 2,730,115.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526,717.79 : 4,866,923.88 = 1,978,322.70 : x
  2. Step 2: Convert to fraction form
    3,526,717.79/4,866,923.88 = 1,978,322.70/x
  3. Step 3: Cross multiply
    3,526,717.79x = 4,866,923.88 × 1,978,322.70
  4. Step 4: Simplify right side
    3,526,717.79x = 9,628,346,009,227.04
  5. Step 5: Solve for x
    x = 9,628,346,009,227.04/3,526,717.79
  6. Step 6: Final answer
    x = 2,730,115.24

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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.