Home / 3,150,009.74-4,347,339.36-1,927,129.22

Finding the Fourth Proportional to 3,150,009.74, 4,347,339.36 and 1,927,129.22

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Solution

The fourth proportional to 3,150,009.74, 4,347,339.36 and 1,927,129.22 is: 2,659,637.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150,009.74 : 4,347,339.36 = 1,927,129.22 : x
  2. Step 2: Convert to fraction form
    3,150,009.74/4,347,339.36 = 1,927,129.22/x
  3. Step 3: Cross multiply
    3,150,009.74x = 4,347,339.36 × 1,927,129.22
  4. Step 4: Simplify right side
    3,150,009.74x = 8,377,884,709,912.10
  5. Step 5: Solve for x
    x = 8,377,884,709,912.10/3,150,009.74
  6. Step 6: Final answer
    x = 2,659,637.72

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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.