Home / 3,091,739.48-4,640,276.10-2,145,774.68

Finding the Fourth Proportional to 3,091,739.48, 4,640,276.10 and 2,145,774.68

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Solution

The fourth proportional to 3,091,739.48, 4,640,276.10 and 2,145,774.68 is: 3,220,512.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091,739.48 : 4,640,276.10 = 2,145,774.68 : x
  2. Step 2: Convert to fraction form
    3,091,739.48/4,640,276.10 = 2,145,774.68/x
  3. Step 3: Cross multiply
    3,091,739.48x = 4,640,276.10 × 2,145,774.68
  4. Step 4: Simplify right side
    3,091,739.48x = 9,956,986,963,589.15
  5. Step 5: Solve for x
    x = 9,956,986,963,589.15/3,091,739.48
  6. Step 6: Final answer
    x = 3,220,512.93

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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.