Home / 5,282,816.72-7,923,837.48-1,687,618.16

Finding the Fourth Proportional to 5,282,816.72, 7,923,837.48 and 1,687,618.16

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Solution

The fourth proportional to 5,282,816.72, 7,923,837.48 and 1,687,618.16 is: 2,531,303.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282,816.72 : 7,923,837.48 = 1,687,618.16 : x
  2. Step 2: Convert to fraction form
    5,282,816.72/7,923,837.48 = 1,687,618.16/x
  3. Step 3: Cross multiply
    5,282,816.72x = 7,923,837.48 × 1,687,618.16
  4. Step 4: Simplify right side
    5,282,816.72x = 13,372,412,028,136.64
  5. Step 5: Solve for x
    x = 13,372,412,028,136.64/5,282,816.72
  6. Step 6: Final answer
    x = 2,531,303.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.