Home / 5,428,281.96-8,140,697.22-1,784,171.34

Finding the Fourth Proportional to 5,428,281.96, 8,140,697.22 and 1,784,171.34

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Solution

The fourth proportional to 5,428,281.96, 8,140,697.22 and 1,784,171.34 is: 2,675,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,281.96 : 8,140,697.22 = 1,784,171.34 : x
  2. Step 2: Convert to fraction form
    5,428,281.96/8,140,697.22 = 1,784,171.34/x
  3. Step 3: Cross multiply
    5,428,281.96x = 8,140,697.22 × 1,784,171.34
  4. Step 4: Simplify right side
    5,428,281.96x = 14,524,398,667,541.68
  5. Step 5: Solve for x
    x = 14,524,398,667,541.68/5,428,281.96
  6. Step 6: Final answer
    x = 2,675,689.80

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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.