Home / 2,615,409.21-3,921,509.11-1,016,105.32

Finding the Fourth Proportional to 2,615,409.21, 3,921,509.11 and 1,016,105.32

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Solution

The fourth proportional to 2,615,409.21, 3,921,509.11 and 1,016,105.32 is: 1,523,534.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615,409.21 : 3,921,509.11 = 1,016,105.32 : x
  2. Step 2: Convert to fraction form
    2,615,409.21/3,921,509.11 = 1,016,105.32/x
  3. Step 3: Cross multiply
    2,615,409.21x = 3,921,509.11 × 1,016,105.32
  4. Step 4: Simplify right side
    2,615,409.21x = 3,984,666,269,099.47
  5. Step 5: Solve for x
    x = 3,984,666,269,099.47/2,615,409.21
  6. Step 6: Final answer
    x = 1,523,534.54

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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.