Home / 1,941,085.22-2,912,923.62-678,912.84

Finding the Fourth Proportional to 1,941,085.22, 2,912,923.62 and 678,912.84

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Solution

The fourth proportional to 1,941,085.22, 2,912,923.62 and 678,912.84 is: 1,018,822.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,085.22 : 2,912,923.62 = 678,912.84 : x
  2. Step 2: Convert to fraction form
    1,941,085.22/2,912,923.62 = 678,912.84/x
  3. Step 3: Cross multiply
    1,941,085.22x = 2,912,923.62 × 678,912.84
  4. Step 4: Simplify right side
    1,941,085.22x = 1,977,621,247,557.28
  5. Step 5: Solve for x
    x = 1,977,621,247,557.28/1,941,085.22
  6. Step 6: Final answer
    x = 1,018,822.48

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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.