Home / 2,645,685.78-3,650,940.60-1,558,003.20

Finding the Fourth Proportional to 2,645,685.78, 3,650,940.60 and 1,558,003.20

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Solution

The fourth proportional to 2,645,685.78, 3,650,940.60 and 1,558,003.20 is: 2,149,982.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645,685.78 : 3,650,940.60 = 1,558,003.20 : x
  2. Step 2: Convert to fraction form
    2,645,685.78/3,650,940.60 = 1,558,003.20/x
  3. Step 3: Cross multiply
    2,645,685.78x = 3,650,940.60 × 1,558,003.20
  4. Step 4: Simplify right side
    2,645,685.78x = 5,688,177,137,809.92
  5. Step 5: Solve for x
    x = 5,688,177,137,809.92/2,645,685.78
  6. Step 6: Final answer
    x = 2,149,982.13

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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.