Home / 1,818,773.20-2,734,064.70-1,289,956.60

Finding the Fourth Proportional to 1,818,773.20, 2,734,064.70 and 1,289,956.60

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Solution

The fourth proportional to 1,818,773.20, 2,734,064.70 and 1,289,956.60 is: 1,939,122.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,773.20 : 2,734,064.70 = 1,289,956.60 : x
  2. Step 2: Convert to fraction form
    1,818,773.20/2,734,064.70 = 1,289,956.60/x
  3. Step 3: Cross multiply
    1,818,773.20x = 2,734,064.70 × 1,289,956.60
  4. Step 4: Simplify right side
    1,818,773.20x = 3,526,824,804,592.02
  5. Step 5: Solve for x
    x = 3,526,824,804,592.02/1,818,773.20
  6. Step 6: Final answer
    x = 1,939,122.92

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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.