Home / 2,023,189.68-2,791,968.68-1,105,399.02

Finding the Fourth Proportional to 2,023,189.68, 2,791,968.68 and 1,105,399.02

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Solution

The fourth proportional to 2,023,189.68, 2,791,968.68 and 1,105,399.02 is: 1,525,432.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023,189.68 : 2,791,968.68 = 1,105,399.02 : x
  2. Step 2: Convert to fraction form
    2,023,189.68/2,791,968.68 = 1,105,399.02/x
  3. Step 3: Cross multiply
    2,023,189.68x = 2,791,968.68 × 1,105,399.02
  4. Step 4: Simplify right side
    2,023,189.68x = 3,086,239,442,742.69
  5. Step 5: Solve for x
    x = 3,086,239,442,742.69/2,023,189.68
  6. Step 6: Final answer
    x = 1,525,432.57

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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.