Home / 2,812,877.87-4,219,433.71-818,333.87

Finding the Fourth Proportional to 2,812,877.87, 4,219,433.71 and 818,333.87

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Solution

The fourth proportional to 2,812,877.87, 4,219,433.71 and 818,333.87 is: 1,227,534.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,877.87 : 4,219,433.71 = 818,333.87 : x
  2. Step 2: Convert to fraction form
    2,812,877.87/4,219,433.71 = 818,333.87/x
  3. Step 3: Cross multiply
    2,812,877.87x = 4,219,433.71 × 818,333.87
  4. Step 4: Simplify right side
    2,812,877.87x = 3,452,905,493,969.75
  5. Step 5: Solve for x
    x = 3,452,905,493,969.75/2,812,877.87
  6. Step 6: Final answer
    x = 1,227,534.81

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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.