Home / 2,128,203.03-2,936,982.50-1,161,395.62

Finding the Fourth Proportional to 2,128,203.03, 2,936,982.50 and 1,161,395.62

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Solution

The fourth proportional to 2,128,203.03, 2,936,982.50 and 1,161,395.62 is: 1,602,759.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,203.03 : 2,936,982.50 = 1,161,395.62 : x
  2. Step 2: Convert to fraction form
    2,128,203.03/2,936,982.50 = 1,161,395.62/x
  3. Step 3: Cross multiply
    2,128,203.03x = 2,936,982.50 × 1,161,395.62
  4. Step 4: Simplify right side
    2,128,203.03x = 3,410,998,611,516.65
  5. Step 5: Solve for x
    x = 3,410,998,611,516.65/2,128,203.03
  6. Step 6: Final answer
    x = 1,602,759.96

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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.