Home / 6,390,811.28-8,819,379.24-3,637,363.60

Finding the Fourth Proportional to 6,390,811.28, 8,819,379.24 and 3,637,363.60

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Solution

The fourth proportional to 6,390,811.28, 8,819,379.24 and 3,637,363.60 is: 5,019,595.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,811.28 : 8,819,379.24 = 3,637,363.60 : x
  2. Step 2: Convert to fraction form
    6,390,811.28/8,819,379.24 = 3,637,363.60/x
  3. Step 3: Cross multiply
    6,390,811.28x = 8,819,379.24 × 3,637,363.60
  4. Step 4: Simplify right side
    6,390,811.28x = 32,079,289,022,171.66
  5. Step 5: Solve for x
    x = 32,079,289,022,171.66/6,390,811.28
  6. Step 6: Final answer
    x = 5,019,595.73

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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.