Home / 1,971,393.40-2,952,942.90-1,639,617.40

Finding the Fourth Proportional to 1,971,393.40, 2,952,942.90 and 1,639,617.40

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Solution

The fourth proportional to 1,971,393.40, 2,952,942.90 and 1,639,617.40 is: 2,455,976.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,393.40 : 2,952,942.90 = 1,639,617.40 : x
  2. Step 2: Convert to fraction form
    1,971,393.40/2,952,942.90 = 1,639,617.40/x
  3. Step 3: Cross multiply
    1,971,393.40x = 2,952,942.90 × 1,639,617.40
  4. Step 4: Simplify right side
    1,971,393.40x = 4,841,696,560,046.46
  5. Step 5: Solve for x
    x = 4,841,696,560,046.46/1,971,393.40
  6. Step 6: Final answer
    x = 2,455,976.85

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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.