Home / 3,421,804.72-4,723,270.32-1,972,078.96

Finding the Fourth Proportional to 3,421,804.72, 4,723,270.32 and 1,972,078.96

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Solution

The fourth proportional to 3,421,804.72, 4,723,270.32 and 1,972,078.96 is: 2,722,148.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421,804.72 : 4,723,270.32 = 1,972,078.96 : x
  2. Step 2: Convert to fraction form
    3,421,804.72/4,723,270.32 = 1,972,078.96/x
  3. Step 3: Cross multiply
    3,421,804.72x = 4,723,270.32 × 1,972,078.96
  4. Step 4: Simplify right side
    3,421,804.72x = 9,314,662,020,464.47
  5. Step 5: Solve for x
    x = 9,314,662,020,464.47/3,421,804.72
  6. Step 6: Final answer
    x = 2,722,148.92

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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.