Home / 5,642,176.80-7,786,232.78-3,063,857.60

Finding the Fourth Proportional to 5,642,176.80, 7,786,232.78 and 3,063,857.60

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Solution

The fourth proportional to 5,642,176.80, 7,786,232.78 and 3,063,857.60 is: 4,228,139.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,642,176.80 : 7,786,232.78 = 3,063,857.60 : x
  2. Step 2: Convert to fraction form
    5,642,176.80/7,786,232.78 = 3,063,857.60/x
  3. Step 3: Cross multiply
    5,642,176.80x = 7,786,232.78 × 3,063,857.60
  4. Step 4: Simplify right side
    5,642,176.80x = 23,855,908,478,372.13
  5. Step 5: Solve for x
    x = 23,855,908,478,372.13/5,642,176.80
  6. Step 6: Final answer
    x = 4,228,139.13

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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.