Home / 5,128,743.84-7,077,225.60-2,836,333.92

Finding the Fourth Proportional to 5,128,743.84, 7,077,225.60 and 2,836,333.92

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Solution

The fourth proportional to 5,128,743.84, 7,077,225.60 and 2,836,333.92 is: 3,913,896.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,743.84 : 7,077,225.60 = 2,836,333.92 : x
  2. Step 2: Convert to fraction form
    5,128,743.84/7,077,225.60 = 2,836,333.92/x
  3. Step 3: Cross multiply
    5,128,743.84x = 7,077,225.60 × 2,836,333.92
  4. Step 4: Simplify right side
    5,128,743.84x = 20,073,375,028,772.35
  5. Step 5: Solve for x
    x = 20,073,375,028,772.35/5,128,743.84
  6. Step 6: Final answer
    x = 3,913,896.98

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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.