Home / 3,113,137.80-4,667,114.70-1,317,400.20

Finding the Fourth Proportional to 3,113,137.80, 4,667,114.70 and 1,317,400.20

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Solution

The fourth proportional to 3,113,137.80, 4,667,114.70 and 1,317,400.20 is: 1,975,003.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113,137.80 : 4,667,114.70 = 1,317,400.20 : x
  2. Step 2: Convert to fraction form
    3,113,137.80/4,667,114.70 = 1,317,400.20/x
  3. Step 3: Cross multiply
    3,113,137.80x = 4,667,114.70 × 1,317,400.20
  4. Step 4: Simplify right side
    3,113,137.80x = 6,148,457,839,202.94
  5. Step 5: Solve for x
    x = 6,148,457,839,202.94/3,113,137.80
  6. Step 6: Final answer
    x = 1,975,003.43

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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.