Home / 3,469,292.51-4,787,661.33-1,920,579.84

Finding the Fourth Proportional to 3,469,292.51, 4,787,661.33 and 1,920,579.84

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Solution

The fourth proportional to 3,469,292.51, 4,787,661.33 and 1,920,579.84 is: 2,650,421.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469,292.51 : 4,787,661.33 = 1,920,579.84 : x
  2. Step 2: Convert to fraction form
    3,469,292.51/4,787,661.33 = 1,920,579.84/x
  3. Step 3: Cross multiply
    3,469,292.51x = 4,787,661.33 × 1,920,579.84
  4. Step 4: Simplify right side
    3,469,292.51x = 9,195,085,831,145.59
  5. Step 5: Solve for x
    x = 9,195,085,831,145.59/3,469,292.51
  6. Step 6: Final answer
    x = 2,650,421.03

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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.