Home / 4,286,836.31-6,428,899.29-1,407,728.48

Finding the Fourth Proportional to 4,286,836.31, 6,428,899.29 and 1,407,728.48

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Solution

The fourth proportional to 4,286,836.31, 6,428,899.29 and 1,407,728.48 is: 2,111,147.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286,836.31 : 6,428,899.29 = 1,407,728.48 : x
  2. Step 2: Convert to fraction form
    4,286,836.31/6,428,899.29 = 1,407,728.48/x
  3. Step 3: Cross multiply
    4,286,836.31x = 6,428,899.29 × 1,407,728.48
  4. Step 4: Simplify right side
    4,286,836.31x = 9,050,144,634,881.82
  5. Step 5: Solve for x
    x = 9,050,144,634,881.82/4,286,836.31
  6. Step 6: Final answer
    x = 2,111,147.71

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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.