Home / 3,019,016.61-4,166,270.01-1,642,390.38

Finding the Fourth Proportional to 3,019,016.61, 4,166,270.01 and 1,642,390.38

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Solution

The fourth proportional to 3,019,016.61, 4,166,270.01 and 1,642,390.38 is: 2,266,513.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019,016.61 : 4,166,270.01 = 1,642,390.38 : x
  2. Step 2: Convert to fraction form
    3,019,016.61/4,166,270.01 = 1,642,390.38/x
  3. Step 3: Cross multiply
    3,019,016.61x = 4,166,270.01 × 1,642,390.38
  4. Step 4: Simplify right side
    3,019,016.61x = 6,842,641,784,906.50
  5. Step 5: Solve for x
    x = 6,842,641,784,906.50/3,019,016.61
  6. Step 6: Final answer
    x = 2,266,513.46

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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.