Home / 5,189,165.96-7,783,776.65-3,403,358.12

Finding the Fourth Proportional to 5,189,165.96, 7,783,776.65 and 3,403,358.12

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Solution

The fourth proportional to 5,189,165.96, 7,783,776.65 and 3,403,358.12 is: 5,105,055.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189,165.96 : 7,783,776.65 = 3,403,358.12 : x
  2. Step 2: Convert to fraction form
    5,189,165.96/7,783,776.65 = 3,403,358.12/x
  3. Step 3: Cross multiply
    5,189,165.96x = 7,783,776.65 × 3,403,358.12
  4. Step 4: Simplify right side
    5,189,165.96x = 26,490,979,494,011.73
  5. Step 5: Solve for x
    x = 26,490,979,494,011.73/5,189,165.96
  6. Step 6: Final answer
    x = 5,105,055.36

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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.