Home / 2,799,843.69-4,200,378.03-906,776.49

Finding the Fourth Proportional to 2,799,843.69, 4,200,378.03 and 906,776.49

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Solution

The fourth proportional to 2,799,843.69, 4,200,378.03 and 906,776.49 is: 1,360,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799,843.69 : 4,200,378.03 = 906,776.49 : x
  2. Step 2: Convert to fraction form
    2,799,843.69/4,200,378.03 = 906,776.49/x
  3. Step 3: Cross multiply
    2,799,843.69x = 4,200,378.03 × 906,776.49
  4. Step 4: Simplify right side
    2,799,843.69x = 3,808,804,046,716.52
  5. Step 5: Solve for x
    x = 3,808,804,046,716.52/2,799,843.69
  6. Step 6: Final answer
    x = 1,360,363.10

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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.