Home / 2,991,571.52-4,128,421.92-1,702,276.16

Finding the Fourth Proportional to 2,991,571.52, 4,128,421.92 and 1,702,276.16

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Solution

The fourth proportional to 2,991,571.52, 4,128,421.92 and 1,702,276.16 is: 2,349,171.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,571.52 : 4,128,421.92 = 1,702,276.16 : x
  2. Step 2: Convert to fraction form
    2,991,571.52/4,128,421.92 = 1,702,276.16/x
  3. Step 3: Cross multiply
    2,991,571.52x = 4,128,421.92 × 1,702,276.16
  4. Step 4: Simplify right side
    2,991,571.52x = 7,027,714,212,837.43
  5. Step 5: Solve for x
    x = 7,027,714,212,837.43/2,991,571.52
  6. Step 6: Final answer
    x = 2,349,171.39

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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.