Home / 2,775,406.42-3,827,940.25-2,388,869.20

Finding the Fourth Proportional to 2,775,406.42, 3,827,940.25 and 2,388,869.20

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Solution

The fourth proportional to 2,775,406.42, 3,827,940.25 and 2,388,869.20 is: 3,294,814.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775,406.42 : 3,827,940.25 = 2,388,869.20 : x
  2. Step 2: Convert to fraction form
    2,775,406.42/3,827,940.25 = 2,388,869.20/x
  3. Step 3: Cross multiply
    2,775,406.42x = 3,827,940.25 × 2,388,869.20
  4. Step 4: Simplify right side
    2,775,406.42x = 9,144,448,531,581.25
  5. Step 5: Solve for x
    x = 9,144,448,531,581.25/2,775,406.42
  6. Step 6: Final answer
    x = 3,294,814.22

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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.