Home / 3,120,584.07-4,306,421.93-1,743,950.78

Finding the Fourth Proportional to 3,120,584.07, 4,306,421.93 and 1,743,950.78

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Solution

The fourth proportional to 3,120,584.07, 4,306,421.93 and 1,743,950.78 is: 2,406,660.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,584.07 : 4,306,421.93 = 1,743,950.78 : x
  2. Step 2: Convert to fraction form
    3,120,584.07/4,306,421.93 = 1,743,950.78/x
  3. Step 3: Cross multiply
    3,120,584.07x = 4,306,421.93 × 1,743,950.78
  4. Step 4: Simplify right side
    3,120,584.07x = 7,510,187,883,832.61
  5. Step 5: Solve for x
    x = 7,510,187,883,832.61/3,120,584.07
  6. Step 6: Final answer
    x = 2,406,660.97

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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.