Home / 6,438,685.20-9,654,528.60-2,176,659.60

Finding the Fourth Proportional to 6,438,685.20, 9,654,528.60 and 2,176,659.60

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Solution

The fourth proportional to 6,438,685.20, 9,654,528.60 and 2,176,659.60 is: 3,263,806.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,685.20 : 9,654,528.60 = 2,176,659.60 : x
  2. Step 2: Convert to fraction form
    6,438,685.20/9,654,528.60 = 2,176,659.60/x
  3. Step 3: Cross multiply
    6,438,685.20x = 9,654,528.60 × 2,176,659.60
  4. Step 4: Simplify right side
    6,438,685.20x = 21,014,622,360,664.56
  5. Step 5: Solve for x
    x = 21,014,622,360,664.56/6,438,685.20
  6. Step 6: Final answer
    x = 3,263,806.46

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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.