Home / 1,890,385.38-2,835,947.16-611,310.60

Finding the Fourth Proportional to 1,890,385.38, 2,835,947.16 and 611,310.60

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Solution

The fourth proportional to 1,890,385.38, 2,835,947.16 and 611,310.60 is: 917,085.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,385.38 : 2,835,947.16 = 611,310.60 : x
  2. Step 2: Convert to fraction form
    1,890,385.38/2,835,947.16 = 611,310.60/x
  3. Step 3: Cross multiply
    1,890,385.38x = 2,835,947.16 × 611,310.60
  4. Step 4: Simplify right side
    1,890,385.38x = 1,733,644,559,947.90
  5. Step 5: Solve for x
    x = 1,733,644,559,947.90/1,890,385.38
  6. Step 6: Final answer
    x = 917,085.26

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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.