Home / 5,253,681.06-7,877,145.76-2,181,790.78

Finding the Fourth Proportional to 5,253,681.06, 7,877,145.76 and 2,181,790.78

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Solution

The fourth proportional to 5,253,681.06, 7,877,145.76 and 2,181,790.78 is: 3,271,284.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253,681.06 : 7,877,145.76 = 2,181,790.78 : x
  2. Step 2: Convert to fraction form
    5,253,681.06/7,877,145.76 = 2,181,790.78/x
  3. Step 3: Cross multiply
    5,253,681.06x = 7,877,145.76 × 2,181,790.78
  4. Step 4: Simplify right side
    5,253,681.06x = 17,186,283,991,884.09
  5. Step 5: Solve for x
    x = 17,186,283,991,884.09/5,253,681.06
  6. Step 6: Final answer
    x = 3,271,284.23

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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.