Home / 1,898,805.38-2,848,186.20-761,856.98

Finding the Fourth Proportional to 1,898,805.38, 2,848,186.20 and 761,856.98

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Solution

The fourth proportional to 1,898,805.38, 2,848,186.20 and 761,856.98 is: 1,142,776.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,805.38 : 2,848,186.20 = 761,856.98 : x
  2. Step 2: Convert to fraction form
    1,898,805.38/2,848,186.20 = 761,856.98/x
  3. Step 3: Cross multiply
    1,898,805.38x = 2,848,186.20 × 761,856.98
  4. Step 4: Simplify right side
    1,898,805.38x = 2,169,910,543,930.14
  5. Step 5: Solve for x
    x = 2,169,910,543,930.14/1,898,805.38
  6. Step 6: Final answer
    x = 1,142,776.70

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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.