Home / 2,802,803.40-4,204,205.10-909,736.20

Finding the Fourth Proportional to 2,802,803.40, 4,204,205.10 and 909,736.20

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Solution

The fourth proportional to 2,802,803.40, 4,204,205.10 and 909,736.20 is: 1,364,604.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802,803.40 : 4,204,205.10 = 909,736.20 : x
  2. Step 2: Convert to fraction form
    2,802,803.40/4,204,205.10 = 909,736.20/x
  3. Step 3: Cross multiply
    2,802,803.40x = 4,204,205.10 × 909,736.20
  4. Step 4: Simplify right side
    2,802,803.40x = 3,824,717,571,694.62
  5. Step 5: Solve for x
    x = 3,824,717,571,694.62/2,802,803.40
  6. Step 6: Final answer
    x = 1,364,604.30

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1.5x scale

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.