Home / 4,625,682.80-6,939,185.16-1,431,081.68

Finding the Fourth Proportional to 4,625,682.80, 6,939,185.16 and 1,431,081.68

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Solution

The fourth proportional to 4,625,682.80, 6,939,185.16 and 1,431,081.68 is: 2,146,827.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,625,682.80 : 6,939,185.16 = 1,431,081.68 : x
  2. Step 2: Convert to fraction form
    4,625,682.80/6,939,185.16 = 1,431,081.68/x
  3. Step 3: Cross multiply
    4,625,682.80x = 6,939,185.16 × 1,431,081.68
  4. Step 4: Simplify right side
    4,625,682.80x = 9,930,540,756,603.87
  5. Step 5: Solve for x
    x = 9,930,540,756,603.87/4,625,682.80
  6. Step 6: Final answer
    x = 2,146,827.01

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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.