Home / 2,679,426.30-4,019,139.45-1,881,608.70

Finding the Fourth Proportional to 2,679,426.30, 4,019,139.45 and 1,881,608.70

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Solution

The fourth proportional to 2,679,426.30, 4,019,139.45 and 1,881,608.70 is: 2,822,413.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,426.30 : 4,019,139.45 = 1,881,608.70 : x
  2. Step 2: Convert to fraction form
    2,679,426.30/4,019,139.45 = 1,881,608.70/x
  3. Step 3: Cross multiply
    2,679,426.30x = 4,019,139.45 × 1,881,608.70
  4. Step 4: Simplify right side
    2,679,426.30x = 7,562,447,755,633.22
  5. Step 5: Solve for x
    x = 7,562,447,755,633.22/2,679,426.30
  6. Step 6: Final answer
    x = 2,822,413.05

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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.