Home / 2,115,219.88-3,171,637.50-694,894.60

Finding the Fourth Proportional to 2,115,219.88, 3,171,637.50 and 694,894.60

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Solution

The fourth proportional to 2,115,219.88, 3,171,637.50 and 694,894.60 is: 1,041,950.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,219.88 : 3,171,637.50 = 694,894.60 : x
  2. Step 2: Convert to fraction form
    2,115,219.88/3,171,637.50 = 694,894.60/x
  3. Step 3: Cross multiply
    2,115,219.88x = 3,171,637.50 × 694,894.60
  4. Step 4: Simplify right side
    2,115,219.88x = 2,203,953,771,907.50
  5. Step 5: Solve for x
    x = 2,203,953,771,907.50/2,115,219.88
  6. Step 6: Final answer
    x = 1,041,950.20

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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.