Home / 5,377,155.65-7,420,381.35-2,929,786.80

Finding the Fourth Proportional to 5,377,155.65, 7,420,381.35 and 2,929,786.80

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Solution

The fourth proportional to 5,377,155.65, 7,420,381.35 and 2,929,786.80 is: 4,043,054.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377,155.65 : 7,420,381.35 = 2,929,786.80 : x
  2. Step 2: Convert to fraction form
    5,377,155.65/7,420,381.35 = 2,929,786.80/x
  3. Step 3: Cross multiply
    5,377,155.65x = 7,420,381.35 × 2,929,786.80
  4. Step 4: Simplify right side
    5,377,155.65x = 21,740,135,330,196.18
  5. Step 5: Solve for x
    x = 21,740,135,330,196.18/5,377,155.65
  6. Step 6: Final answer
    x = 4,043,054.87

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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.