Home / 3,921,485.32-5,411,812.44-2,179,148.20

Finding the Fourth Proportional to 3,921,485.32, 5,411,812.44 and 2,179,148.20

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Solution

The fourth proportional to 3,921,485.32, 5,411,812.44 and 2,179,148.20 is: 3,007,314.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921,485.32 : 5,411,812.44 = 2,179,148.20 : x
  2. Step 2: Convert to fraction form
    3,921,485.32/5,411,812.44 = 2,179,148.20/x
  3. Step 3: Cross multiply
    3,921,485.32x = 5,411,812.44 × 2,179,148.20
  4. Step 4: Simplify right side
    3,921,485.32x = 11,793,141,326,467.87
  5. Step 5: Solve for x
    x = 11,793,141,326,467.87/3,921,485.32
  6. Step 6: Final answer
    x = 3,007,314.92

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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.