Home / 2,861,967.37-3,949,666.32-1,621,818.42

Finding the Fourth Proportional to 2,861,967.37, 3,949,666.32 and 1,621,818.42

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Solution

The fourth proportional to 2,861,967.37, 3,949,666.32 and 1,621,818.42 is: 2,238,195.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861,967.37 : 3,949,666.32 = 1,621,818.42 : x
  2. Step 2: Convert to fraction form
    2,861,967.37/3,949,666.32 = 1,621,818.42/x
  3. Step 3: Cross multiply
    2,861,967.37x = 3,949,666.32 × 1,621,818.42
  4. Step 4: Simplify right side
    2,861,967.37x = 6,405,641,590,629.61
  5. Step 5: Solve for x
    x = 6,405,641,590,629.61/2,861,967.37
  6. Step 6: Final answer
    x = 2,238,195.19

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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.