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Finding the Fourth Proportional to 3,295,681.68, 4,944,227.88 and 1,021,155.48

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Solution

The fourth proportional to 3,295,681.68, 4,944,227.88 and 1,021,155.48 is: 1,531,951.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,295,681.68 : 4,944,227.88 = 1,021,155.48 : x
  2. Step 2: Convert to fraction form
    3,295,681.68/4,944,227.88 = 1,021,155.48/x
  3. Step 3: Cross multiply
    3,295,681.68x = 4,944,227.88 × 1,021,155.48
  4. Step 4: Simplify right side
    3,295,681.68x = 5,048,825,394,030.78
  5. Step 5: Solve for x
    x = 5,048,825,394,030.78/3,295,681.68
  6. Step 6: Final answer
    x = 1,531,951.77

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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.