Home / 5,485,980.15-8,228,997.56-2,249,285.76

Finding the Fourth Proportional to 5,485,980.15, 8,228,997.56 and 2,249,285.76

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Solution

The fourth proportional to 5,485,980.15, 8,228,997.56 and 2,249,285.76 is: 3,373,939.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485,980.15 : 8,228,997.56 = 2,249,285.76 : x
  2. Step 2: Convert to fraction form
    5,485,980.15/8,228,997.56 = 2,249,285.76/x
  3. Step 3: Cross multiply
    5,485,980.15x = 8,228,997.56 × 2,249,285.76
  4. Step 4: Simplify right side
    5,485,980.15x = 18,509,367,036,405.96
  5. Step 5: Solve for x
    x = 18,509,367,036,405.96/5,485,980.15
  6. Step 6: Final answer
    x = 3,373,939.85

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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.