Home / 1,996,931.80-2,993,429.40-985,225.60

Finding the Fourth Proportional to 1,996,931.80, 2,993,429.40 and 985,225.60

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Solution

The fourth proportional to 1,996,931.80, 2,993,429.40 and 985,225.60 is: 1,476,867.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,931.80 : 2,993,429.40 = 985,225.60 : x
  2. Step 2: Convert to fraction form
    1,996,931.80/2,993,429.40 = 985,225.60/x
  3. Step 3: Cross multiply
    1,996,931.80x = 2,993,429.40 × 985,225.60
  4. Step 4: Simplify right side
    1,996,931.80x = 2,949,203,276,672.64
  5. Step 5: Solve for x
    x = 2,949,203,276,672.64/1,996,931.80
  6. Step 6: Final answer
    x = 1,476,867.30

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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.