Home / 3,538,762.31-4,882,922.30-1,989,931.66

Finding the Fourth Proportional to 3,538,762.31, 4,882,922.30 and 1,989,931.66

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Solution

The fourth proportional to 3,538,762.31, 4,882,922.30 and 1,989,931.66 is: 2,745,785.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538,762.31 : 4,882,922.30 = 1,989,931.66 : x
  2. Step 2: Convert to fraction form
    3,538,762.31/4,882,922.30 = 1,989,931.66/x
  3. Step 3: Cross multiply
    3,538,762.31x = 4,882,922.30 × 1,989,931.66
  4. Step 4: Simplify right side
    3,538,762.31x = 9,716,681,670,857.54
  5. Step 5: Solve for x
    x = 9,716,681,670,857.54/3,538,762.31
  6. Step 6: Final answer
    x = 2,745,785.34

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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.