Home / 5,151,409.37-7,108,589.32-2,859,389.63

Finding the Fourth Proportional to 5,151,409.37, 7,108,589.32 and 2,859,389.63

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Solution

The fourth proportional to 5,151,409.37, 7,108,589.32 and 2,859,389.63 is: 3,945,760.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151,409.37 : 7,108,589.32 = 2,859,389.63 : x
  2. Step 2: Convert to fraction form
    5,151,409.37/7,108,589.32 = 2,859,389.63/x
  3. Step 3: Cross multiply
    5,151,409.37x = 7,108,589.32 × 2,859,389.63
  4. Step 4: Simplify right side
    5,151,409.37x = 20,326,226,535,696.86
  5. Step 5: Solve for x
    x = 20,326,226,535,696.86/5,151,409.37
  6. Step 6: Final answer
    x = 3,945,760.29

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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.