Home / 2,778,122.25-4,169,282.91-1,181,809.08

Finding the Fourth Proportional to 2,778,122.25, 4,169,282.91 and 1,181,809.08

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Solution

The fourth proportional to 2,778,122.25, 4,169,282.91 and 1,181,809.08 is: 1,773,606.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,122.25 : 4,169,282.91 = 1,181,809.08 : x
  2. Step 2: Convert to fraction form
    2,778,122.25/4,169,282.91 = 1,181,809.08/x
  3. Step 3: Cross multiply
    2,778,122.25x = 4,169,282.91 × 1,181,809.08
  4. Step 4: Simplify right side
    2,778,122.25x = 4,927,296,400,126.82
  5. Step 5: Solve for x
    x = 4,927,296,400,126.82/2,778,122.25
  6. Step 6: Final answer
    x = 1,773,606.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.