Home / 2,775,789.88-3,829,416.96-1,858,314.22

Finding the Fourth Proportional to 2,775,789.88, 3,829,416.96 and 1,858,314.22

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Solution

The fourth proportional to 2,775,789.88, 3,829,416.96 and 1,858,314.22 is: 2,563,688.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775,789.88 : 3,829,416.96 = 1,858,314.22 : x
  2. Step 2: Convert to fraction form
    2,775,789.88/3,829,416.96 = 1,858,314.22/x
  3. Step 3: Cross multiply
    2,775,789.88x = 3,829,416.96 × 1,858,314.22
  4. Step 4: Simplify right side
    2,775,789.88x = 7,116,259,991,077.17
  5. Step 5: Solve for x
    x = 7,116,259,991,077.17/2,775,789.88
  6. Step 6: Final answer
    x = 2,563,688.28

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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.