Home / 3,187,223.16-4,397,119.44-1,961,400.53

Finding the Fourth Proportional to 3,187,223.16, 4,397,119.44 and 1,961,400.53

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Solution

The fourth proportional to 3,187,223.16, 4,397,119.44 and 1,961,400.53 is: 2,705,964.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,223.16 : 4,397,119.44 = 1,961,400.53 : x
  2. Step 2: Convert to fraction form
    3,187,223.16/4,397,119.44 = 1,961,400.53/x
  3. Step 3: Cross multiply
    3,187,223.16x = 4,397,119.44 × 1,961,400.53
  4. Step 4: Simplify right side
    3,187,223.16x = 8,624,512,378,103.71
  5. Step 5: Solve for x
    x = 8,624,512,378,103.71/3,187,223.16
  6. Step 6: Final answer
    x = 2,705,964.39

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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.