Home / 2,086,379.02-3,129,568.58-1,139,233.06

Finding the Fourth Proportional to 2,086,379.02, 3,129,568.58 and 1,139,233.06

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Solution

The fourth proportional to 2,086,379.02, 3,129,568.58 and 1,139,233.06 is: 1,708,849.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,379.02 : 3,129,568.58 = 1,139,233.06 : x
  2. Step 2: Convert to fraction form
    2,086,379.02/3,129,568.58 = 1,139,233.06/x
  3. Step 3: Cross multiply
    2,086,379.02x = 3,129,568.58 × 1,139,233.06
  4. Step 4: Simplify right side
    2,086,379.02x = 3,565,307,989,873.26
  5. Step 5: Solve for x
    x = 3,565,307,989,873.26/2,086,379.02
  6. Step 6: Final answer
    x = 1,708,849.62

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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.