Home / 3,870,767.82-5,341,356.98-2,151,783.66

Finding the Fourth Proportional to 3,870,767.82, 5,341,356.98 and 2,151,783.66

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Solution

The fourth proportional to 3,870,767.82, 5,341,356.98 and 2,151,783.66 is: 2,969,293.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870,767.82 : 5,341,356.98 = 2,151,783.66 : x
  2. Step 2: Convert to fraction form
    3,870,767.82/5,341,356.98 = 2,151,783.66/x
  3. Step 3: Cross multiply
    3,870,767.82x = 5,341,356.98 × 2,151,783.66
  4. Step 4: Simplify right side
    3,870,767.82x = 11,493,444,671,790.95
  5. Step 5: Solve for x
    x = 11,493,444,671,790.95/3,870,767.82
  6. Step 6: Final answer
    x = 2,969,293.23

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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.