Home / 1,898,300.20-2,620,876.88-1,693,999.84

Finding the Fourth Proportional to 1,898,300.20, 2,620,876.88 and 1,693,999.84

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Solution

The fourth proportional to 1,898,300.20, 2,620,876.88 and 1,693,999.84 is: 2,338,810.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,300.20 : 2,620,876.88 = 1,693,999.84 : x
  2. Step 2: Convert to fraction form
    1,898,300.20/2,620,876.88 = 1,693,999.84/x
  3. Step 3: Cross multiply
    1,898,300.20x = 2,620,876.88 × 1,693,999.84
  4. Step 4: Simplify right side
    1,898,300.20x = 4,439,765,015,379.70
  5. Step 5: Solve for x
    x = 4,439,765,015,379.70/1,898,300.20
  6. Step 6: Final answer
    x = 2,338,810.80

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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.