Home / 3,821,130.97-5,731,509.52-1,424,788.72

Finding the Fourth Proportional to 3,821,130.97, 5,731,509.52 and 1,424,788.72

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Solution

The fourth proportional to 3,821,130.97, 5,731,509.52 and 1,424,788.72 is: 2,137,113.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821,130.97 : 5,731,509.52 = 1,424,788.72 : x
  2. Step 2: Convert to fraction form
    3,821,130.97/5,731,509.52 = 1,424,788.72/x
  3. Step 3: Cross multiply
    3,821,130.97x = 5,731,509.52 × 1,424,788.72
  4. Step 4: Simplify right side
    3,821,130.97x = 8,166,190,112,668.61
  5. Step 5: Solve for x
    x = 8,166,190,112,668.61/3,821,130.97
  6. Step 6: Final answer
    x = 2,137,113.38

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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.