Home / 5,311,890.08-7,330,431.48-2,897,493.92

Finding the Fourth Proportional to 5,311,890.08, 7,330,431.48 and 2,897,493.92

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Solution

The fourth proportional to 5,311,890.08, 7,330,431.48 and 2,897,493.92 is: 3,998,554.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311,890.08 : 7,330,431.48 = 2,897,493.92 : x
  2. Step 2: Convert to fraction form
    5,311,890.08/7,330,431.48 = 2,897,493.92/x
  3. Step 3: Cross multiply
    5,311,890.08x = 7,330,431.48 × 2,897,493.92
  4. Step 4: Simplify right side
    5,311,890.08x = 21,239,880,644,276.60
  5. Step 5: Solve for x
    x = 21,239,880,644,276.60/5,311,890.08
  6. Step 6: Final answer
    x = 3,998,554.25

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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.