Home / 5,078,074.37-7,007,741.86-2,902,664.21

Finding the Fourth Proportional to 5,078,074.37, 7,007,741.86 and 2,902,664.21

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Solution

The fourth proportional to 5,078,074.37, 7,007,741.86 and 2,902,664.21 is: 4,005,676.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,074.37 : 7,007,741.86 = 2,902,664.21 : x
  2. Step 2: Convert to fraction form
    5,078,074.37/7,007,741.86 = 2,902,664.21/x
  3. Step 3: Cross multiply
    5,078,074.37x = 7,007,741.86 × 2,902,664.21
  4. Step 4: Simplify right side
    5,078,074.37x = 20,341,121,489,940.83
  5. Step 5: Solve for x
    x = 20,341,121,489,940.83/5,078,074.37
  6. Step 6: Final answer
    x = 4,005,676.17

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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.