Home / 2,618,154.90-3,927,197.12-1,021,839.30

Finding the Fourth Proportional to 2,618,154.90, 3,927,197.12 and 1,021,839.30

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Solution

The fourth proportional to 2,618,154.90, 3,927,197.12 and 1,021,839.30 is: 1,532,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618,154.90 : 3,927,197.12 = 1,021,839.30 : x
  2. Step 2: Convert to fraction form
    2,618,154.90/3,927,197.12 = 1,021,839.30/x
  3. Step 3: Cross multiply
    2,618,154.90x = 3,927,197.12 × 1,021,839.30
  4. Step 4: Simplify right side
    2,618,154.90x = 4,012,964,350,953.62
  5. Step 5: Solve for x
    x = 4,012,964,350,953.62/2,618,154.90
  6. Step 6: Final answer
    x = 1,532,745.20

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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.