Home / 2,892,765.84-3,991,747.86-1,603,496.40

Finding the Fourth Proportional to 2,892,765.84, 3,991,747.86 and 1,603,496.40

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Solution

The fourth proportional to 2,892,765.84, 3,991,747.86 and 1,603,496.40 is: 2,212,675.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892,765.84 : 3,991,747.86 = 1,603,496.40 : x
  2. Step 2: Convert to fraction form
    2,892,765.84/3,991,747.86 = 1,603,496.40/x
  3. Step 3: Cross multiply
    2,892,765.84x = 3,991,747.86 × 1,603,496.40
  4. Step 4: Simplify right side
    2,892,765.84x = 6,400,753,323,217.70
  5. Step 5: Solve for x
    x = 6,400,753,323,217.70/2,892,765.84
  6. Step 6: Final answer
    x = 2,212,675.92

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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.