Home / 3,550,317.66-4,899,438.18-1,918,728.18

Finding the Fourth Proportional to 3,550,317.66, 4,899,438.18 and 1,918,728.18

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Solution

The fourth proportional to 3,550,317.66, 4,899,438.18 and 1,918,728.18 is: 2,647,844.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550,317.66 : 4,899,438.18 = 1,918,728.18 : x
  2. Step 2: Convert to fraction form
    3,550,317.66/4,899,438.18 = 1,918,728.18/x
  3. Step 3: Cross multiply
    3,550,317.66x = 4,899,438.18 × 1,918,728.18
  4. Step 4: Simplify right side
    3,550,317.66x = 9,400,690,102,133.91
  5. Step 5: Solve for x
    x = 9,400,690,102,133.91/3,550,317.66
  6. Step 6: Final answer
    x = 2,647,844.79

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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.