Home / 3,927,989.44-5,421,369.48-2,458,579.36

Finding the Fourth Proportional to 3,927,989.44, 5,421,369.48 and 2,458,579.36

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Solution

The fourth proportional to 3,927,989.44, 5,421,369.48 and 2,458,579.36 is: 3,393,305.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927,989.44 : 5,421,369.48 = 2,458,579.36 : x
  2. Step 2: Convert to fraction form
    3,927,989.44/5,421,369.48 = 2,458,579.36/x
  3. Step 3: Cross multiply
    3,927,989.44x = 5,421,369.48 × 2,458,579.36
  4. Step 4: Simplify right side
    3,927,989.44x = 13,328,867,106,461.93
  5. Step 5: Solve for x
    x = 13,328,867,106,461.93/3,927,989.44
  6. Step 6: Final answer
    x = 3,393,305.23

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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.