Home / 1,899,132.36-2,620,861.74-1,039,772.76

Finding the Fourth Proportional to 1,899,132.36, 2,620,861.74 and 1,039,772.76

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Solution

The fourth proportional to 1,899,132.36, 2,620,861.74 and 1,039,772.76 is: 1,434,918.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,132.36 : 2,620,861.74 = 1,039,772.76 : x
  2. Step 2: Convert to fraction form
    1,899,132.36/2,620,861.74 = 1,039,772.76/x
  3. Step 3: Cross multiply
    1,899,132.36x = 2,620,861.74 × 1,039,772.76
  4. Step 4: Simplify right side
    1,899,132.36x = 2,725,100,644,978.20
  5. Step 5: Solve for x
    x = 2,725,100,644,978.20/1,899,132.36
  6. Step 6: Final answer
    x = 1,434,918.76

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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.