Home / 1,993,015.80-2,986,461.90-1,485,194.40

Finding the Fourth Proportional to 1,993,015.80, 2,986,461.90 and 1,485,194.40

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Solution

The fourth proportional to 1,993,015.80, 2,986,461.90 and 1,485,194.40 is: 2,225,509.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,015.80 : 2,986,461.90 = 1,485,194.40 : x
  2. Step 2: Convert to fraction form
    1,993,015.80/2,986,461.90 = 1,485,194.40/x
  3. Step 3: Cross multiply
    1,993,015.80x = 2,986,461.90 × 1,485,194.40
  4. Step 4: Simplify right side
    1,993,015.80x = 4,435,476,489,693.36
  5. Step 5: Solve for x
    x = 4,435,476,489,693.36/1,993,015.80
  6. Step 6: Final answer
    x = 2,225,509.95

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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.