Home / 1,898,806.38-2,848,187.70-761,857.98

Finding the Fourth Proportional to 1,898,806.38, 2,848,187.70 and 761,857.98

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Solution

The fourth proportional to 1,898,806.38, 2,848,187.70 and 761,857.98 is: 1,142,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,806.38 : 2,848,187.70 = 761,857.98 : x
  2. Step 2: Convert to fraction form
    1,898,806.38/2,848,187.70 = 761,857.98/x
  3. Step 3: Cross multiply
    1,898,806.38x = 2,848,187.70 × 761,857.98
  4. Step 4: Simplify right side
    1,898,806.38x = 2,169,914,527,782.85
  5. Step 5: Solve for x
    x = 2,169,914,527,782.85/1,898,806.38
  6. Step 6: Final answer
    x = 1,142,778.20

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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.