Home / 3,611,638.11-4,984,059.38-1,980,010.46

Finding the Fourth Proportional to 3,611,638.11, 4,984,059.38 and 1,980,010.46

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Solution

The fourth proportional to 3,611,638.11, 4,984,059.38 and 1,980,010.46 is: 2,732,413.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611,638.11 : 4,984,059.38 = 1,980,010.46 : x
  2. Step 2: Convert to fraction form
    3,611,638.11/4,984,059.38 = 1,980,010.46/x
  3. Step 3: Cross multiply
    3,611,638.11x = 4,984,059.38 × 1,980,010.46
  4. Step 4: Simplify right side
    3,611,638.11x = 9,868,489,670,840.77
  5. Step 5: Solve for x
    x = 9,868,489,670,840.77/3,611,638.11
  6. Step 6: Final answer
    x = 2,732,413.76

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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.