Home / 5,021,308.72-6,929,727.96-2,816,378.56

Finding the Fourth Proportional to 5,021,308.72, 6,929,727.96 and 2,816,378.56

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Solution

The fourth proportional to 5,021,308.72, 6,929,727.96 and 2,816,378.56 is: 3,886,782.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021,308.72 : 6,929,727.96 = 2,816,378.56 : x
  2. Step 2: Convert to fraction form
    5,021,308.72/6,929,727.96 = 2,816,378.56/x
  3. Step 3: Cross multiply
    5,021,308.72x = 6,929,727.96 × 2,816,378.56
  4. Step 4: Simplify right side
    5,021,308.72x = 19,516,737,253,176.54
  5. Step 5: Solve for x
    x = 19,516,737,253,176.54/5,021,308.72
  6. Step 6: Final answer
    x = 3,886,782.98

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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.