Home / 1,616,914.80-2,231,338.86-972,708.84

Finding the Fourth Proportional to 1,616,914.80, 2,231,338.86 and 972,708.84

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Solution

The fourth proportional to 1,616,914.80, 2,231,338.86 and 972,708.84 is: 1,342,336.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,914.80 : 2,231,338.86 = 972,708.84 : x
  2. Step 2: Convert to fraction form
    1,616,914.80/2,231,338.86 = 972,708.84/x
  3. Step 3: Cross multiply
    1,616,914.80x = 2,231,338.86 × 972,708.84
  4. Step 4: Simplify right side
    1,616,914.80x = 2,170,443,034,157.52
  5. Step 5: Solve for x
    x = 2,170,443,034,157.52/1,616,914.80
  6. Step 6: Final answer
    x = 1,342,336.06

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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.