Home / 3,870,706.73-5,802,434.10-1,310,129.87

Finding the Fourth Proportional to 3,870,706.73, 5,802,434.10 and 1,310,129.87

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Solution

The fourth proportional to 3,870,706.73, 5,802,434.10 and 1,310,129.87 is: 1,963,967.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870,706.73 : 5,802,434.10 = 1,310,129.87 : x
  2. Step 2: Convert to fraction form
    3,870,706.73/5,802,434.10 = 1,310,129.87/x
  3. Step 3: Cross multiply
    3,870,706.73x = 5,802,434.10 × 1,310,129.87
  4. Step 4: Simplify right side
    3,870,706.73x = 7,601,942,204,104.40
  5. Step 5: Solve for x
    x = 7,601,942,204,104.40/3,870,706.73
  6. Step 6: Final answer
    x = 1,963,967.50

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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.