Home / 3,603,534.85-4,972,878.59-1,971,942.61

Finding the Fourth Proportional to 3,603,534.85, 4,972,878.59 and 1,971,942.61

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Solution

The fourth proportional to 3,603,534.85, 4,972,878.59 and 1,971,942.61 is: 2,721,281.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603,534.85 : 4,972,878.59 = 1,971,942.61 : x
  2. Step 2: Convert to fraction form
    3,603,534.85/4,972,878.59 = 1,971,942.61/x
  3. Step 3: Cross multiply
    3,603,534.85x = 4,972,878.59 × 1,971,942.61
  4. Step 4: Simplify right side
    3,603,534.85x = 9,806,231,185,977.72
  5. Step 5: Solve for x
    x = 9,806,231,185,977.72/3,603,534.85
  6. Step 6: Final answer
    x = 2,721,281.07

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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.