Home / 6,440,996.85-9,661,489.07-1,648,678.47

Finding the Fourth Proportional to 6,440,996.85, 9,661,489.07 and 1,648,678.47

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Solution

The fourth proportional to 6,440,996.85, 9,661,489.07 and 1,648,678.47 is: 2,473,016.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440,996.85 : 9,661,489.07 = 1,648,678.47 : x
  2. Step 2: Convert to fraction form
    6,440,996.85/9,661,489.07 = 1,648,678.47/x
  3. Step 3: Cross multiply
    6,440,996.85x = 9,661,489.07 × 1,648,678.47
  4. Step 4: Simplify right side
    6,440,996.85x = 15,928,689,009,605.93
  5. Step 5: Solve for x
    x = 15,928,689,009,605.93/6,440,996.85
  6. Step 6: Final answer
    x = 2,473,016.12

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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.