Home / 3,879,832.96-5,354,590.35-2,137,681.18

Finding the Fourth Proportional to 3,879,832.96, 5,354,590.35 and 2,137,681.18

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Solution

The fourth proportional to 3,879,832.96, 5,354,590.35 and 2,137,681.18 is: 2,950,231.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,832.96 : 5,354,590.35 = 2,137,681.18 : x
  2. Step 2: Convert to fraction form
    3,879,832.96/5,354,590.35 = 2,137,681.18/x
  3. Step 3: Cross multiply
    3,879,832.96x = 5,354,590.35 × 2,137,681.18
  4. Step 4: Simplify right side
    3,879,832.96x = 11,446,407,017,804.61
  5. Step 5: Solve for x
    x = 11,446,407,017,804.61/3,879,832.96
  6. Step 6: Final answer
    x = 2,950,231.91

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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.