Home / 2,865,865.90-3,954,894.76-1,576,678.60

Finding the Fourth Proportional to 2,865,865.90, 3,954,894.76 and 1,576,678.60

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Solution

The fourth proportional to 2,865,865.90, 3,954,894.76 and 1,576,678.60 is: 2,175,816.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865,865.90 : 3,954,894.76 = 1,576,678.60 : x
  2. Step 2: Convert to fraction form
    2,865,865.90/3,954,894.76 = 1,576,678.60/x
  3. Step 3: Cross multiply
    2,865,865.90x = 3,954,894.76 × 1,576,678.60
  4. Step 4: Simplify right side
    2,865,865.90x = 6,235,597,933,344.14
  5. Step 5: Solve for x
    x = 6,235,597,933,344.14/2,865,865.90
  6. Step 6: Final answer
    x = 2,175,816.37

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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.