Home / 2,809,687.51-3,877,375.65-1,520,537.28

Finding the Fourth Proportional to 2,809,687.51, 3,877,375.65 and 1,520,537.28

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Solution

The fourth proportional to 2,809,687.51, 3,877,375.65 and 1,520,537.28 is: 2,098,345.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,687.51 : 3,877,375.65 = 1,520,537.28 : x
  2. Step 2: Convert to fraction form
    2,809,687.51/3,877,375.65 = 1,520,537.28/x
  3. Step 3: Cross multiply
    2,809,687.51x = 3,877,375.65 × 1,520,537.28
  4. Step 4: Simplify right side
    2,809,687.51x = 5,895,694,224,389.23
  5. Step 5: Solve for x
    x = 5,895,694,224,389.23/2,809,687.51
  6. Step 6: Final answer
    x = 2,098,345.17

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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.