Home / 3,879,483.51-5,353,853.18-2,160,603.75

Finding the Fourth Proportional to 3,879,483.51, 5,353,853.18 and 2,160,603.75

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Solution

The fourth proportional to 3,879,483.51, 5,353,853.18 and 2,160,603.75 is: 2,981,725.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,483.51 : 5,353,853.18 = 2,160,603.75 : x
  2. Step 2: Convert to fraction form
    3,879,483.51/5,353,853.18 = 2,160,603.75/x
  3. Step 3: Cross multiply
    3,879,483.51x = 5,353,853.18 × 2,160,603.75
  4. Step 4: Simplify right side
    3,879,483.51x = 11,567,555,246,854.41
  5. Step 5: Solve for x
    x = 11,567,555,246,854.41/3,879,483.51
  6. Step 6: Final answer
    x = 2,981,725.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.