Home / 2,235,799.90-3,085,403.84-1,217,204.65

Finding the Fourth Proportional to 2,235,799.90, 3,085,403.84 and 1,217,204.65

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Solution

The fourth proportional to 2,235,799.90, 3,085,403.84 and 1,217,204.65 is: 1,679,742.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235,799.90 : 3,085,403.84 = 1,217,204.65 : x
  2. Step 2: Convert to fraction form
    2,235,799.90/3,085,403.84 = 1,217,204.65/x
  3. Step 3: Cross multiply
    2,235,799.90x = 3,085,403.84 × 1,217,204.65
  4. Step 4: Simplify right side
    2,235,799.90x = 3,755,567,903,511.11
  5. Step 5: Solve for x
    x = 3,755,567,903,511.11/2,235,799.90
  6. Step 6: Final answer
    x = 1,679,742.41

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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.