Home / 2,605,180.21-3,905,184.16-1,236,555.61

Finding the Fourth Proportional to 2,605,180.21, 3,905,184.16 and 1,236,555.61

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Solution

The fourth proportional to 2,605,180.21, 3,905,184.16 and 1,236,555.61 is: 1,853,605.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605,180.21 : 3,905,184.16 = 1,236,555.61 : x
  2. Step 2: Convert to fraction form
    2,605,180.21/3,905,184.16 = 1,236,555.61/x
  3. Step 3: Cross multiply
    2,605,180.21x = 3,905,184.16 × 1,236,555.61
  4. Step 4: Simplify right side
    2,605,180.21x = 4,828,977,381,131.14
  5. Step 5: Solve for x
    x = 4,828,977,381,131.14/2,605,180.21
  6. Step 6: Final answer
    x = 1,853,605.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.