Home / 3,526,728.64-4,866,938.80-1,978,333.52

Finding the Fourth Proportional to 3,526,728.64, 4,866,938.80 and 1,978,333.52

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Solution

The fourth proportional to 3,526,728.64, 4,866,938.80 and 1,978,333.52 is: 2,730,130.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526,728.64 : 4,866,938.80 = 1,978,333.52 : x
  2. Step 2: Convert to fraction form
    3,526,728.64/4,866,938.80 = 1,978,333.52/x
  3. Step 3: Cross multiply
    3,526,728.64x = 4,866,938.80 × 1,978,333.52
  4. Step 4: Simplify right side
    3,526,728.64x = 9,628,428,167,828.58
  5. Step 5: Solve for x
    x = 9,628,428,167,828.58/3,526,728.64
  6. Step 6: Final answer
    x = 2,730,130.14

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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.