Home / 1,954,666.80-2,931,222.60-691,844.40

Finding the Fourth Proportional to 1,954,666.80, 2,931,222.60 and 691,844.40

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Solution

The fourth proportional to 1,954,666.80, 2,931,222.60 and 691,844.40 is: 1,037,491.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,666.80 : 2,931,222.60 = 691,844.40 : x
  2. Step 2: Convert to fraction form
    1,954,666.80/2,931,222.60 = 691,844.40/x
  3. Step 3: Cross multiply
    1,954,666.80x = 2,931,222.60 × 691,844.40
  4. Step 4: Simplify right side
    1,954,666.80x = 2,027,949,940,963.44
  5. Step 5: Solve for x
    x = 2,027,949,940,963.44/1,954,666.80
  6. Step 6: Final answer
    x = 1,037,491.37

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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.