Home / 3,139,789.20-4,709,683.80-1,146,022.80

Finding the Fourth Proportional to 3,139,789.20, 4,709,683.80 and 1,146,022.80

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Solution

The fourth proportional to 3,139,789.20, 4,709,683.80 and 1,146,022.80 is: 1,719,034.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,789.20 : 4,709,683.80 = 1,146,022.80 : x
  2. Step 2: Convert to fraction form
    3,139,789.20/4,709,683.80 = 1,146,022.80/x
  3. Step 3: Cross multiply
    3,139,789.20x = 4,709,683.80 × 1,146,022.80
  4. Step 4: Simplify right side
    3,139,789.20x = 5,397,405,015,590.64
  5. Step 5: Solve for x
    x = 5,397,405,015,590.64/3,139,789.20
  6. Step 6: Final answer
    x = 1,719,034.20

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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.