Home / 5,406,201.76-8,108,104.56-1,619,186.08

Finding the Fourth Proportional to 5,406,201.76, 8,108,104.56 and 1,619,186.08

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Solution

The fourth proportional to 5,406,201.76, 8,108,104.56 and 1,619,186.08 is: 2,428,420.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406,201.76 : 8,108,104.56 = 1,619,186.08 : x
  2. Step 2: Convert to fraction form
    5,406,201.76/8,108,104.56 = 1,619,186.08/x
  3. Step 3: Cross multiply
    5,406,201.76x = 8,108,104.56 × 1,619,186.08
  4. Step 4: Simplify right side
    5,406,201.76x = 13,128,530,038,736.53
  5. Step 5: Solve for x
    x = 13,128,530,038,736.53/5,406,201.76
  6. Step 6: Final answer
    x = 2,428,420.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.