Home / 3,618,410.90-4,993,407.06-1,986,818.27

Finding the Fourth Proportional to 3,618,410.90, 4,993,407.06 and 1,986,818.27

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Solution

The fourth proportional to 3,618,410.90, 4,993,407.06 and 1,986,818.27 is: 2,741,809.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618,410.90 : 4,993,407.06 = 1,986,818.27 : x
  2. Step 2: Convert to fraction form
    3,618,410.90/4,993,407.06 = 1,986,818.27/x
  3. Step 3: Cross multiply
    3,618,410.90x = 4,993,407.06 × 1,986,818.27
  4. Step 4: Simplify right side
    3,618,410.90x = 9,920,992,341,453.86
  5. Step 5: Solve for x
    x = 9,920,992,341,453.86/3,618,410.90
  6. Step 6: Final answer
    x = 2,741,809.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.