Home / 3,469,292.69-4,787,661.59-1,920,580.03

Finding the Fourth Proportional to 3,469,292.69, 4,787,661.59 and 1,920,580.03

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Solution

The fourth proportional to 3,469,292.69, 4,787,661.59 and 1,920,580.03 is: 2,650,421.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469,292.69 : 4,787,661.59 = 1,920,580.03 : x
  2. Step 2: Convert to fraction form
    3,469,292.69/4,787,661.59 = 1,920,580.03/x
  3. Step 3: Cross multiply
    3,469,292.69x = 4,787,661.59 × 1,920,580.03
  4. Step 4: Simplify right side
    3,469,292.69x = 9,195,087,225,782.17
  5. Step 5: Solve for x
    x = 9,195,087,225,782.17/3,469,292.69
  6. Step 6: Final answer
    x = 2,650,421.29

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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.