Home / 2,015,008.95-2,778,581.30-1,556,198.22

Finding the Fourth Proportional to 2,015,008.95, 2,778,581.30 and 1,556,198.22

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Solution

The fourth proportional to 2,015,008.95, 2,778,581.30 and 1,556,198.22 is: 2,145,907.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,008.95 : 2,778,581.30 = 1,556,198.22 : x
  2. Step 2: Convert to fraction form
    2,015,008.95/2,778,581.30 = 1,556,198.22/x
  3. Step 3: Cross multiply
    2,015,008.95x = 2,778,581.30 × 1,556,198.22
  4. Step 4: Simplify right side
    2,015,008.95x = 4,324,023,265,404.30
  5. Step 5: Solve for x
    x = 4,324,023,265,404.30/2,015,008.95
  6. Step 6: Final answer
    x = 2,145,907.72

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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.