Home / 2,130,184.35-2,939,665.19-1,163,314.61

Finding the Fourth Proportional to 2,130,184.35, 2,939,665.19 and 1,163,314.61

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Solution

The fourth proportional to 2,130,184.35, 2,939,665.19 and 1,163,314.61 is: 1,605,380.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,184.35 : 2,939,665.19 = 1,163,314.61 : x
  2. Step 2: Convert to fraction form
    2,130,184.35/2,939,665.19 = 1,163,314.61/x
  3. Step 3: Cross multiply
    2,130,184.35x = 2,939,665.19 × 1,163,314.61
  4. Step 4: Simplify right side
    2,130,184.35x = 3,419,755,474,292.88
  5. Step 5: Solve for x
    x = 3,419,755,474,292.88/2,130,184.35
  6. Step 6: Final answer
    x = 1,605,380.06

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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.