Home / 2,515,445.79-3,471,140.08-1,427,739.51

Finding the Fourth Proportional to 2,515,445.79, 3,471,140.08 and 1,427,739.51

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Solution

The fourth proportional to 2,515,445.79, 3,471,140.08 and 1,427,739.51 is: 1,970,181.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515,445.79 : 3,471,140.08 = 1,427,739.51 : x
  2. Step 2: Convert to fraction form
    2,515,445.79/3,471,140.08 = 1,427,739.51/x
  3. Step 3: Cross multiply
    2,515,445.79x = 3,471,140.08 × 1,427,739.51
  4. Step 4: Simplify right side
    2,515,445.79x = 4,955,883,836,960.56
  5. Step 5: Solve for x
    x = 4,955,883,836,960.56/2,515,445.79
  6. Step 6: Final answer
    x = 1,970,181.13

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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.