Home / 3,115,921-4,299,970.98-2,212,077.64

Finding the Fourth Proportional to 3,115,921, 4,299,970.98 and 2,212,077.64

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Solution

The fourth proportional to 3,115,921, 4,299,970.98 and 2,212,077.64 is: 3,052,667.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,921 : 4,299,970.98 = 2,212,077.64 : x
  2. Step 2: Convert to fraction form
    3,115,921/4,299,970.98 = 2,212,077.64/x
  3. Step 3: Cross multiply
    3,115,921x = 4,299,970.98 × 2,212,077.64
  4. Step 4: Simplify right side
    3,115,921x = 9,511,869,657,506.89
  5. Step 5: Solve for x
    x = 9,511,869,657,506.89/3,115,921
  6. Step 6: Final answer
    x = 3,052,667.14

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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.