Home / 2,887,314.56-3,983,578.08-1,679,857.28

Finding the Fourth Proportional to 2,887,314.56, 3,983,578.08 and 1,679,857.28

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Solution

The fourth proportional to 2,887,314.56, 3,983,578.08 and 1,679,857.28 is: 2,317,670.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,314.56 : 3,983,578.08 = 1,679,857.28 : x
  2. Step 2: Convert to fraction form
    2,887,314.56/3,983,578.08 = 1,679,857.28/x
  3. Step 3: Cross multiply
    2,887,314.56x = 3,983,578.08 × 1,679,857.28
  4. Step 4: Simplify right side
    2,887,314.56x = 6,691,842,638,136.42
  5. Step 5: Solve for x
    x = 6,691,842,638,136.42/2,887,314.56
  6. Step 6: Final answer
    x = 2,317,670.10

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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.