Home / 3,179,396.24-4,387,598.80-1,729,124.16

Finding the Fourth Proportional to 3,179,396.24, 4,387,598.80 and 1,729,124.16

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Solution

The fourth proportional to 3,179,396.24, 4,387,598.80 and 1,729,124.16 is: 2,386,208.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,396.24 : 4,387,598.80 = 1,729,124.16 : x
  2. Step 2: Convert to fraction form
    3,179,396.24/4,387,598.80 = 1,729,124.16/x
  3. Step 3: Cross multiply
    3,179,396.24x = 4,387,598.80 × 1,729,124.16
  4. Step 4: Simplify right side
    3,179,396.24x = 7,586,703,089,467.01
  5. Step 5: Solve for x
    x = 7,586,703,089,467.01/3,179,396.24
  6. Step 6: Final answer
    x = 2,386,208.74

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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.