Home / 2,798,417.80-4,192,788.30-1,299,435.40

Finding the Fourth Proportional to 2,798,417.80, 4,192,788.30 and 1,299,435.40

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Solution

The fourth proportional to 2,798,417.80, 4,192,788.30 and 1,299,435.40 is: 1,946,906.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,417.80 : 4,192,788.30 = 1,299,435.40 : x
  2. Step 2: Convert to fraction form
    2,798,417.80/4,192,788.30 = 1,299,435.40/x
  3. Step 3: Cross multiply
    2,798,417.80x = 4,192,788.30 × 1,299,435.40
  4. Step 4: Simplify right side
    2,798,417.80x = 5,448,257,541,725.82
  5. Step 5: Solve for x
    x = 5,448,257,541,725.82/2,798,417.80
  6. Step 6: Final answer
    x = 1,946,906.41

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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.