Home / 3,619,677.96-5,430,216.78-1,375,641

Finding the Fourth Proportional to 3,619,677.96, 5,430,216.78 and 1,375,641

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Solution

The fourth proportional to 3,619,677.96, 5,430,216.78 and 1,375,641 is: 2,063,727.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,677.96 : 5,430,216.78 = 1,375,641 : x
  2. Step 2: Convert to fraction form
    3,619,677.96/5,430,216.78 = 1,375,641/x
  3. Step 3: Cross multiply
    3,619,677.96x = 5,430,216.78 × 1,375,641
  4. Step 4: Simplify right side
    3,619,677.96x = 7,470,028,841,455.98
  5. Step 5: Solve for x
    x = 7,470,028,841,455.98/3,619,677.96
  6. Step 6: Final answer
    x = 2,063,727.47

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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.