Home / 3,142,000.26-4,713,000.38-1,147,456.26

Finding the Fourth Proportional to 3,142,000.26, 4,713,000.38 and 1,147,456.26

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Solution

The fourth proportional to 3,142,000.26, 4,713,000.38 and 1,147,456.26 is: 1,721,184.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142,000.26 : 4,713,000.38 = 1,147,456.26 : x
  2. Step 2: Convert to fraction form
    3,142,000.26/4,713,000.38 = 1,147,456.26/x
  3. Step 3: Cross multiply
    3,142,000.26x = 4,713,000.38 × 1,147,456.26
  4. Step 4: Simplify right side
    3,142,000.26x = 5,407,961,789,413.38
  5. Step 5: Solve for x
    x = 5,407,961,789,413.38/3,142,000.26
  6. Step 6: Final answer
    x = 1,721,184.39

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Similar ratio
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1.5x scale

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.