Home / 6,128,655.60-9,178,986.60-3,609,231.60

Finding the Fourth Proportional to 6,128,655.60, 9,178,986.60 and 3,609,231.60

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Solution

The fourth proportional to 6,128,655.60, 9,178,986.60 and 3,609,231.60 is: 5,405,604.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128,655.60 : 9,178,986.60 = 3,609,231.60 : x
  2. Step 2: Convert to fraction form
    6,128,655.60/9,178,986.60 = 3,609,231.60/x
  3. Step 3: Cross multiply
    6,128,655.60x = 9,178,986.60 × 3,609,231.60
  4. Step 4: Simplify right side
    6,128,655.60x = 33,129,088,492,696.56
  5. Step 5: Solve for x
    x = 33,129,088,492,696.56/6,128,655.60
  6. Step 6: Final answer
    x = 5,405,604.53

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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.