Home / 5,228,986.35-7,216,176.40-2,905,976.82

Finding the Fourth Proportional to 5,228,986.35, 7,216,176.40 and 2,905,976.82

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Solution

The fourth proportional to 5,228,986.35, 7,216,176.40 and 2,905,976.82 is: 4,010,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228,986.35 : 7,216,176.40 = 2,905,976.82 : x
  2. Step 2: Convert to fraction form
    5,228,986.35/7,216,176.40 = 2,905,976.82/x
  3. Step 3: Cross multiply
    5,228,986.35x = 7,216,176.40 × 2,905,976.82
  4. Step 4: Simplify right side
    5,228,986.35x = 20,970,041,367,226.77
  5. Step 5: Solve for x
    x = 20,970,041,367,226.77/5,228,986.35
  6. Step 6: Final answer
    x = 4,010,345.40

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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.