Home / 1,839,764.80-2,755,710.60-1,640,310.40

Finding the Fourth Proportional to 1,839,764.80, 2,755,710.60 and 1,640,310.40

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Solution

The fourth proportional to 1,839,764.80, 2,755,710.60 and 1,640,310.40 is: 2,456,955.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839,764.80 : 2,755,710.60 = 1,640,310.40 : x
  2. Step 2: Convert to fraction form
    1,839,764.80/2,755,710.60 = 1,640,310.40/x
  3. Step 3: Cross multiply
    1,839,764.80x = 2,755,710.60 × 1,640,310.40
  4. Step 4: Simplify right side
    1,839,764.80x = 4,520,220,756,570.24
  5. Step 5: Solve for x
    x = 4,520,220,756,570.24/1,839,764.80
  6. Step 6: Final answer
    x = 2,456,955.78

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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.