Home / 2,134,502.40-3,200,716.80-1,186,867.20

Finding the Fourth Proportional to 2,134,502.40, 3,200,716.80 and 1,186,867.20

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Solution

The fourth proportional to 2,134,502.40, 3,200,716.80 and 1,186,867.20 is: 1,779,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134,502.40 : 3,200,716.80 = 1,186,867.20 : x
  2. Step 2: Convert to fraction form
    2,134,502.40/3,200,716.80 = 1,186,867.20/x
  3. Step 3: Cross multiply
    2,134,502.40x = 3,200,716.80 × 1,186,867.20
  4. Step 4: Simplify right side
    2,134,502.40x = 3,798,825,786,408.96
  5. Step 5: Solve for x
    x = 3,798,825,786,408.96/2,134,502.40
  6. Step 6: Final answer
    x = 1,779,724.30

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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.