Home / 3,556,820.76-4,908,879.90-2,028,577.56

Finding the Fourth Proportional to 3,556,820.76, 4,908,879.90 and 2,028,577.56

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Solution

The fourth proportional to 3,556,820.76, 4,908,879.90 and 2,028,577.56 is: 2,799,703.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556,820.76 : 4,908,879.90 = 2,028,577.56 : x
  2. Step 2: Convert to fraction form
    3,556,820.76/4,908,879.90 = 2,028,577.56/x
  3. Step 3: Cross multiply
    3,556,820.76x = 4,908,879.90 × 2,028,577.56
  4. Step 4: Simplify right side
    3,556,820.76x = 9,958,043,609,875.05
  5. Step 5: Solve for x
    x = 9,958,043,609,875.05/3,556,820.76
  6. Step 6: Final answer
    x = 2,799,703.52

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1.5x scale

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.