Home / 1,969,119.48-2,959,844.76-1,299,503.82

Finding the Fourth Proportional to 1,969,119.48, 2,959,844.76 and 1,299,503.82

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Solution

The fourth proportional to 1,969,119.48, 2,959,844.76 and 1,299,503.82 is: 1,953,324.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,119.48 : 2,959,844.76 = 1,299,503.82 : x
  2. Step 2: Convert to fraction form
    1,969,119.48/2,959,844.76 = 1,299,503.82/x
  3. Step 3: Cross multiply
    1,969,119.48x = 2,959,844.76 × 1,299,503.82
  4. Step 4: Simplify right side
    1,969,119.48x = 3,846,329,572,226.98
  5. Step 5: Solve for x
    x = 3,846,329,572,226.98/1,969,119.48
  6. Step 6: Final answer
    x = 1,953,324.63

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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.