Home / 2,909,455.56-4,014,958.86-1,620,269.28

Finding the Fourth Proportional to 2,909,455.56, 4,014,958.86 and 1,620,269.28

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Solution

The fourth proportional to 2,909,455.56, 4,014,958.86 and 1,620,269.28 is: 2,235,921.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,455.56 : 4,014,958.86 = 1,620,269.28 : x
  2. Step 2: Convert to fraction form
    2,909,455.56/4,014,958.86 = 1,620,269.28/x
  3. Step 3: Cross multiply
    2,909,455.56x = 4,014,958.86 × 1,620,269.28
  4. Step 4: Simplify right side
    2,909,455.56x = 6,505,314,501,321.82
  5. Step 5: Solve for x
    x = 6,505,314,501,321.82/2,909,455.56
  6. Step 6: Final answer
    x = 2,235,921.59

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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.