Home / 2,862,110.56-3,949,699.44-1,638,409.36

Finding the Fourth Proportional to 2,862,110.56, 3,949,699.44 and 1,638,409.36

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Solution

The fourth proportional to 2,862,110.56, 3,949,699.44 and 1,638,409.36 is: 2,260,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862,110.56 : 3,949,699.44 = 1,638,409.36 : x
  2. Step 2: Convert to fraction form
    2,862,110.56/3,949,699.44 = 1,638,409.36/x
  3. Step 3: Cross multiply
    2,862,110.56x = 3,949,699.44 × 1,638,409.36
  4. Step 4: Simplify right side
    2,862,110.56x = 6,471,224,531,682.76
  5. Step 5: Solve for x
    x = 6,471,224,531,682.76/2,862,110.56
  6. Step 6: Final answer
    x = 2,260,997.40

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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.