Home / 2,271,137.13-3,135,218.75-1,400,127.47

Finding the Fourth Proportional to 2,271,137.13, 3,135,218.75 and 1,400,127.47

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Solution

The fourth proportional to 2,271,137.13, 3,135,218.75 and 1,400,127.47 is: 1,932,822.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271,137.13 : 3,135,218.75 = 1,400,127.47 : x
  2. Step 2: Convert to fraction form
    2,271,137.13/3,135,218.75 = 1,400,127.47/x
  3. Step 3: Cross multiply
    2,271,137.13x = 3,135,218.75 × 1,400,127.47
  4. Step 4: Simplify right side
    2,271,137.13x = 4,389,705,916,176.20
  5. Step 5: Solve for x
    x = 4,389,705,916,176.20/2,271,137.13
  6. Step 6: Final answer
    x = 1,932,822.93

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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.