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Finding the Fourth Proportional to 6,481,888.66, 9,721,243.16 and 3,070,052.02

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Solution

The fourth proportional to 6,481,888.66, 9,721,243.16 and 3,070,052.02 is: 4,604,325.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,481,888.66 : 9,721,243.16 = 3,070,052.02 : x
  2. Step 2: Convert to fraction form
    6,481,888.66/9,721,243.16 = 3,070,052.02/x
  3. Step 3: Cross multiply
    6,481,888.66x = 9,721,243.16 × 3,070,052.02
  4. Step 4: Simplify right side
    6,481,888.66x = 29,844,722,160,615.81
  5. Step 5: Solve for x
    x = 29,844,722,160,615.81/6,481,888.66
  6. Step 6: Final answer
    x = 4,604,325.03

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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.