Home / 3,808,784.51-5,256,213.47-2,177,343.68

Finding the Fourth Proportional to 3,808,784.51, 5,256,213.47 and 2,177,343.68

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Solution

The fourth proportional to 3,808,784.51, 5,256,213.47 and 2,177,343.68 is: 3,004,786.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808,784.51 : 5,256,213.47 = 2,177,343.68 : x
  2. Step 2: Convert to fraction form
    3,808,784.51/5,256,213.47 = 2,177,343.68/x
  3. Step 3: Cross multiply
    3,808,784.51x = 5,256,213.47 × 2,177,343.68
  4. Step 4: Simplify right side
    3,808,784.51x = 11,444,583,181,889.19
  5. Step 5: Solve for x
    x = 11,444,583,181,889.19/3,808,784.51
  6. Step 6: Final answer
    x = 3,004,786.21

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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.