Home / 3,135,167.12-4,699,420.92-1,994,340.32

Finding the Fourth Proportional to 3,135,167.12, 4,699,420.92 and 1,994,340.32

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Solution

The fourth proportional to 3,135,167.12, 4,699,420.92 and 1,994,340.32 is: 2,989,392.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135,167.12 : 4,699,420.92 = 1,994,340.32 : x
  2. Step 2: Convert to fraction form
    3,135,167.12/4,699,420.92 = 1,994,340.32/x
  3. Step 3: Cross multiply
    3,135,167.12x = 4,699,420.92 × 1,994,340.32
  4. Step 4: Simplify right side
    3,135,167.12x = 9,372,244,621,407.49
  5. Step 5: Solve for x
    x = 9,372,244,621,407.49/3,135,167.12
  6. Step 6: Final answer
    x = 2,989,392.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.