Home / 3,469,109.13-4,787,312.67-1,920,338.06

Finding the Fourth Proportional to 3,469,109.13, 4,787,312.67 and 1,920,338.06

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Solution

The fourth proportional to 3,469,109.13, 4,787,312.67 and 1,920,338.06 is: 2,650,034.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469,109.13 : 4,787,312.67 = 1,920,338.06 : x
  2. Step 2: Convert to fraction form
    3,469,109.13/4,787,312.67 = 1,920,338.06/x
  3. Step 3: Cross multiply
    3,469,109.13x = 4,787,312.67 × 1,920,338.06
  4. Step 4: Simplify right side
    3,469,109.13x = 9,193,258,701,384.66
  5. Step 5: Solve for x
    x = 9,193,258,701,384.66/3,469,109.13
  6. Step 6: Final answer
    x = 2,650,034.45

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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.