Home / 2,809,547.37-3,877,175.57-1,520,387.82

Finding the Fourth Proportional to 2,809,547.37, 3,877,175.57 and 1,520,387.82

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Solution

The fourth proportional to 2,809,547.37, 3,877,175.57 and 1,520,387.82 is: 2,098,135.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,547.37 : 3,877,175.57 = 1,520,387.82 : x
  2. Step 2: Convert to fraction form
    2,809,547.37/3,877,175.57 = 1,520,387.82/x
  3. Step 3: Cross multiply
    2,809,547.37x = 3,877,175.57 × 1,520,387.82
  4. Step 4: Simplify right side
    2,809,547.37x = 5,894,810,505,027.62
  5. Step 5: Solve for x
    x = 5,894,810,505,027.62/2,809,547.37
  6. Step 6: Final answer
    x = 2,098,135.30

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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.