Home / 3,120,633.88-4,306,172.59-1,958,708.72

Finding the Fourth Proportional to 3,120,633.88, 4,306,172.59 and 1,958,708.72

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Solution

The fourth proportional to 3,120,633.88, 4,306,172.59 and 1,958,708.72 is: 2,702,828.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,633.88 : 4,306,172.59 = 1,958,708.72 : x
  2. Step 2: Convert to fraction form
    3,120,633.88/4,306,172.59 = 1,958,708.72/x
  3. Step 3: Cross multiply
    3,120,633.88x = 4,306,172.59 × 1,958,708.72
  4. Step 4: Simplify right side
    3,120,633.88x = 8,434,537,807,726.65
  5. Step 5: Solve for x
    x = 8,434,537,807,726.65/3,120,633.88
  6. Step 6: Final answer
    x = 2,702,828.38

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1.5x scale

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.