Home / 3,681,024.77-5,078,499.19-2,131,440.50

Finding the Fourth Proportional to 3,681,024.77, 5,078,499.19 and 2,131,440.50

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Solution

The fourth proportional to 3,681,024.77, 5,078,499.19 and 2,131,440.50 is: 2,940,626.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681,024.77 : 5,078,499.19 = 2,131,440.50 : x
  2. Step 2: Convert to fraction form
    3,681,024.77/5,078,499.19 = 2,131,440.50/x
  3. Step 3: Cross multiply
    3,681,024.77x = 5,078,499.19 × 2,131,440.50
  4. Step 4: Simplify right side
    3,681,024.77x = 10,824,518,860,150.84
  5. Step 5: Solve for x
    x = 10,824,518,860,150.84/3,681,024.77
  6. Step 6: Final answer
    x = 2,940,626.46

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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.