Home / 2,688,455.34-3,711,439.62-1,821,868.26

Finding the Fourth Proportional to 2,688,455.34, 3,711,439.62 and 1,821,868.26

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Solution

The fourth proportional to 2,688,455.34, 3,711,439.62 and 1,821,868.26 is: 2,515,107.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,455.34 : 3,711,439.62 = 1,821,868.26 : x
  2. Step 2: Convert to fraction form
    2,688,455.34/3,711,439.62 = 1,821,868.26/x
  3. Step 3: Cross multiply
    2,688,455.34x = 3,711,439.62 × 1,821,868.26
  4. Step 4: Simplify right side
    2,688,455.34x = 6,761,754,042,584.46
  5. Step 5: Solve for x
    x = 6,761,754,042,584.46/2,688,455.34
  6. Step 6: Final answer
    x = 2,515,107.45

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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.