Home / 1,999,681.38-3,000,273.84-1,190,532.69

Finding the Fourth Proportional to 1,999,681.38, 3,000,273.84 and 1,190,532.69

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Solution

The fourth proportional to 1,999,681.38, 3,000,273.84 and 1,190,532.69 is: 1,786,246.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,681.38 : 3,000,273.84 = 1,190,532.69 : x
  2. Step 2: Convert to fraction form
    1,999,681.38/3,000,273.84 = 1,190,532.69/x
  3. Step 3: Cross multiply
    1,999,681.38x = 3,000,273.84 × 1,190,532.69
  4. Step 4: Simplify right side
    1,999,681.38x = 3,571,924,085,471.83
  5. Step 5: Solve for x
    x = 3,571,924,085,471.83/1,999,681.38
  6. Step 6: Final answer
    x = 1,786,246.61

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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.