Home / 2,865,860.78-3,954,887.74-1,576,673.48

Finding the Fourth Proportional to 2,865,860.78, 3,954,887.74 and 1,576,673.48

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Solution

The fourth proportional to 2,865,860.78, 3,954,887.74 and 1,576,673.48 is: 2,175,809.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865,860.78 : 3,954,887.74 = 1,576,673.48 : x
  2. Step 2: Convert to fraction form
    2,865,860.78/3,954,887.74 = 1,576,673.48/x
  3. Step 3: Cross multiply
    2,865,860.78x = 3,954,887.74 × 1,576,673.48
  4. Step 4: Simplify right side
    2,865,860.78x = 6,235,566,616,035.14
  5. Step 5: Solve for x
    x = 6,235,566,616,035.14/2,865,860.78
  6. Step 6: Final answer
    x = 2,175,809.33

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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.