Home / 2,134,519.70-2,945,636.19-1,167,649.72

Finding the Fourth Proportional to 2,134,519.70, 2,945,636.19 and 1,167,649.72

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Solution

The fourth proportional to 2,134,519.70, 2,945,636.19 and 1,167,649.72 is: 1,611,356.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134,519.70 : 2,945,636.19 = 1,167,649.72 : x
  2. Step 2: Convert to fraction form
    2,134,519.70/2,945,636.19 = 1,167,649.72/x
  3. Step 3: Cross multiply
    2,134,519.70x = 2,945,636.19 × 1,167,649.72
  4. Step 4: Simplify right side
    2,134,519.70x = 3,439,471,265,111.28
  5. Step 5: Solve for x
    x = 3,439,471,265,111.28/2,134,519.70
  6. Step 6: Final answer
    x = 1,611,356.07

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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.