Home / 6,620,015.58-9,135,903.69-3,719,412.06

Finding the Fourth Proportional to 6,620,015.58, 9,135,903.69 and 3,719,412.06

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Solution

The fourth proportional to 6,620,015.58, 9,135,903.69 and 3,719,412.06 is: 5,132,947.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620,015.58 : 9,135,903.69 = 3,719,412.06 : x
  2. Step 2: Convert to fraction form
    6,620,015.58/9,135,903.69 = 3,719,412.06/x
  3. Step 3: Cross multiply
    6,620,015.58x = 9,135,903.69 × 3,719,412.06
  4. Step 4: Simplify right side
    6,620,015.58x = 33,980,190,363,584.50
  5. Step 5: Solve for x
    x = 33,980,190,363,584.50/6,620,015.58
  6. Step 6: Final answer
    x = 5,132,947.19

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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.