Home / 3,833,830.26-5,290,656.21-2,115,023.22

Finding the Fourth Proportional to 3,833,830.26, 5,290,656.21 and 2,115,023.22

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Solution

The fourth proportional to 3,833,830.26, 5,290,656.21 and 2,115,023.22 is: 2,918,715.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,833,830.26 : 5,290,656.21 = 2,115,023.22 : x
  2. Step 2: Convert to fraction form
    3,833,830.26/5,290,656.21 = 2,115,023.22/x
  3. Step 3: Cross multiply
    3,833,830.26x = 5,290,656.21 × 2,115,023.22
  4. Step 4: Simplify right side
    3,833,830.26x = 11,189,860,733,187.20
  5. Step 5: Solve for x
    x = 11,189,860,733,187.20/3,833,830.26
  6. Step 6: Final answer
    x = 2,918,715.74

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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.