Home / 6,640,930.80-9,963,145.80-2,380,654.80

Finding the Fourth Proportional to 6,640,930.80, 9,963,145.80 and 2,380,654.80

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Solution

The fourth proportional to 6,640,930.80, 9,963,145.80 and 2,380,654.80 is: 3,571,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640,930.80 : 9,963,145.80 = 2,380,654.80 : x
  2. Step 2: Convert to fraction form
    6,640,930.80/9,963,145.80 = 2,380,654.80/x
  3. Step 3: Cross multiply
    6,640,930.80x = 9,963,145.80 × 2,380,654.80
  4. Step 4: Simplify right side
    6,640,930.80x = 23,718,810,871,869.84
  5. Step 5: Solve for x
    x = 23,718,810,871,869.84/6,640,930.80
  6. Step 6: Final answer
    x = 3,571,609.40

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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.