Home / 4,120,917.52-5,688,052.32-2,489,065.60

Finding the Fourth Proportional to 4,120,917.52, 5,688,052.32 and 2,489,065.60

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Solution

The fourth proportional to 4,120,917.52, 5,688,052.32 and 2,489,065.60 is: 3,435,626.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120,917.52 : 5,688,052.32 = 2,489,065.60 : x
  2. Step 2: Convert to fraction form
    4,120,917.52/5,688,052.32 = 2,489,065.60/x
  3. Step 3: Cross multiply
    4,120,917.52x = 5,688,052.32 × 2,489,065.60
  4. Step 4: Simplify right side
    4,120,917.52x = 14,157,935,360,712.19
  5. Step 5: Solve for x
    x = 14,157,935,360,712.19/4,120,917.52
  6. Step 6: Final answer
    x = 3,435,626.97

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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.