Home / 1,999,077.47-2,758,489.82-1,127,861.38

Finding the Fourth Proportional to 1,999,077.47, 2,758,489.82 and 1,127,861.38

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Solution

The fourth proportional to 1,999,077.47, 2,758,489.82 and 1,127,861.38 is: 1,556,314.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,077.47 : 2,758,489.82 = 1,127,861.38 : x
  2. Step 2: Convert to fraction form
    1,999,077.47/2,758,489.82 = 1,127,861.38/x
  3. Step 3: Cross multiply
    1,999,077.47x = 2,758,489.82 × 1,127,861.38
  4. Step 4: Simplify right side
    1,999,077.47x = 3,111,194,131,024.58
  5. Step 5: Solve for x
    x = 3,111,194,131,024.58/1,999,077.47
  6. Step 6: Final answer
    x = 1,556,314.94

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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.