Home / 1,954,198.40-2,931,297.60-1,639,270.40

Finding the Fourth Proportional to 1,954,198.40, 2,931,297.60 and 1,639,270.40

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Solution

The fourth proportional to 1,954,198.40, 2,931,297.60 and 1,639,270.40 is: 2,458,905.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,198.40 : 2,931,297.60 = 1,639,270.40 : x
  2. Step 2: Convert to fraction form
    1,954,198.40/2,931,297.60 = 1,639,270.40/x
  3. Step 3: Cross multiply
    1,954,198.40x = 2,931,297.60 × 1,639,270.40
  4. Step 4: Simplify right side
    1,954,198.40x = 4,805,189,389,271.04
  5. Step 5: Solve for x
    x = 4,805,189,389,271.04/1,954,198.40
  6. Step 6: Final answer
    x = 2,458,905.60

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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.