Home / 3,361,208.82-4,638,860.28-1,911,121.50

Finding the Fourth Proportional to 3,361,208.82, 4,638,860.28 and 1,911,121.50

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Solution

The fourth proportional to 3,361,208.82, 4,638,860.28 and 1,911,121.50 is: 2,637,570.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361,208.82 : 4,638,860.28 = 1,911,121.50 : x
  2. Step 2: Convert to fraction form
    3,361,208.82/4,638,860.28 = 1,911,121.50/x
  3. Step 3: Cross multiply
    3,361,208.82x = 4,638,860.28 × 1,911,121.50
  4. Step 4: Simplify right side
    3,361,208.82x = 8,865,425,616,604.02
  5. Step 5: Solve for x
    x = 8,865,425,616,604.02/3,361,208.82
  6. Step 6: Final answer
    x = 2,637,570.62

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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.