Home / 5,151,409.52-7,108,589.46-2,859,389.72

Finding the Fourth Proportional to 5,151,409.52, 7,108,589.46 and 2,859,389.72

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Solution

The fourth proportional to 5,151,409.52, 7,108,589.46 and 2,859,389.72 is: 3,945,760.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151,409.52 : 7,108,589.46 = 2,859,389.72 : x
  2. Step 2: Convert to fraction form
    5,151,409.52/7,108,589.46 = 2,859,389.72/x
  3. Step 3: Cross multiply
    5,151,409.52x = 7,108,589.46 × 2,859,389.72
  4. Step 4: Simplify right side
    5,151,409.52x = 20,326,227,625,624.35
  5. Step 5: Solve for x
    x = 20,326,227,625,624.35/5,151,409.52
  6. Step 6: Final answer
    x = 3,945,760.39

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1.5x scale

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.