Home / 5,437,906.72-7,504,139.51-2,990,510.20

Finding the Fourth Proportional to 5,437,906.72, 7,504,139.51 and 2,990,510.20

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Solution

The fourth proportional to 5,437,906.72, 7,504,139.51 and 2,990,510.20 is: 4,126,809.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437,906.72 : 7,504,139.51 = 2,990,510.20 : x
  2. Step 2: Convert to fraction form
    5,437,906.72/7,504,139.51 = 2,990,510.20/x
  3. Step 3: Cross multiply
    5,437,906.72x = 7,504,139.51 × 2,990,510.20
  4. Step 4: Simplify right side
    5,437,906.72x = 22,441,205,746,878.00
  5. Step 5: Solve for x
    x = 22,441,205,746,878.00/5,437,906.72
  6. Step 6: Final answer
    x = 4,126,809.62

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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.