Home / 3,221,105.40-4,828,115.16-1,326,813.48

Finding the Fourth Proportional to 3,221,105.40, 4,828,115.16 and 1,326,813.48

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Solution

The fourth proportional to 3,221,105.40, 4,828,115.16 and 1,326,813.48 is: 1,988,760.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,105.40 : 4,828,115.16 = 1,326,813.48 : x
  2. Step 2: Convert to fraction form
    3,221,105.40/4,828,115.16 = 1,326,813.48/x
  3. Step 3: Cross multiply
    3,221,105.40x = 4,828,115.16 × 1,326,813.48
  4. Step 4: Simplify right side
    3,221,105.40x = 6,406,008,277,280.36
  5. Step 5: Solve for x
    x = 6,406,008,277,280.36/3,221,105.40
  6. Step 6: Final answer
    x = 1,988,760.84

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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.