Home / 1,941,770.70-2,911,100.85-818,916.30

Finding the Fourth Proportional to 1,941,770.70, 2,911,100.85 and 818,916.30

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Solution

The fourth proportional to 1,941,770.70, 2,911,100.85 and 818,916.30 is: 1,227,718.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,770.70 : 2,911,100.85 = 818,916.30 : x
  2. Step 2: Convert to fraction form
    1,941,770.70/2,911,100.85 = 818,916.30/x
  3. Step 3: Cross multiply
    1,941,770.70x = 2,911,100.85 × 818,916.30
  4. Step 4: Simplify right side
    1,941,770.70x = 2,383,947,937,008.86
  5. Step 5: Solve for x
    x = 2,383,947,937,008.86/1,941,770.70
  6. Step 6: Final answer
    x = 1,227,718.56

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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.