Home / 2,679,658.20-4,019,487.30-996,413.40

Finding the Fourth Proportional to 2,679,658.20, 4,019,487.30 and 996,413.40

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Solution

The fourth proportional to 2,679,658.20, 4,019,487.30 and 996,413.40 is: 1,494,620.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,658.20 : 4,019,487.30 = 996,413.40 : x
  2. Step 2: Convert to fraction form
    2,679,658.20/4,019,487.30 = 996,413.40/x
  3. Step 3: Cross multiply
    2,679,658.20x = 4,019,487.30 × 996,413.40
  4. Step 4: Simplify right side
    2,679,658.20x = 4,005,071,006,849.82
  5. Step 5: Solve for x
    x = 4,005,071,006,849.82/2,679,658.20
  6. Step 6: Final answer
    x = 1,494,620.10

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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.