Home / 4,190,147.79-6,282,649.43-1,628,371.55

Finding the Fourth Proportional to 4,190,147.79, 6,282,649.43 and 1,628,371.55

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Solution

The fourth proportional to 4,190,147.79, 6,282,649.43 and 1,628,371.55 is: 2,441,557.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190,147.79 : 6,282,649.43 = 1,628,371.55 : x
  2. Step 2: Convert to fraction form
    4,190,147.79/6,282,649.43 = 1,628,371.55/x
  3. Step 3: Cross multiply
    4,190,147.79x = 6,282,649.43 × 1,628,371.55
  4. Step 4: Simplify right side
    4,190,147.79x = 10,230,487,590,435.72
  5. Step 5: Solve for x
    x = 10,230,487,590,435.72/4,190,147.79
  6. Step 6: Final answer
    x = 2,441,557.70

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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.