Home / 5,064,912.12-6,990,243.93-2,888,955.66

Finding the Fourth Proportional to 5,064,912.12, 6,990,243.93 and 2,888,955.66

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Solution

The fourth proportional to 5,064,912.12, 6,990,243.93 and 2,888,955.66 is: 3,987,138.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,064,912.12 : 6,990,243.93 = 2,888,955.66 : x
  2. Step 2: Convert to fraction form
    5,064,912.12/6,990,243.93 = 2,888,955.66/x
  3. Step 3: Cross multiply
    5,064,912.12x = 6,990,243.93 × 2,888,955.66
  4. Step 4: Simplify right side
    5,064,912.12x = 20,194,504,766,354.14
  5. Step 5: Solve for x
    x = 20,194,504,766,354.14/5,064,912.12
  6. Step 6: Final answer
    x = 3,987,138.23

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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.