Home / 3,408,611.16-4,705,587.78-2,119,866.72

Finding the Fourth Proportional to 3,408,611.16, 4,705,587.78 and 2,119,866.72

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Solution

The fourth proportional to 3,408,611.16, 4,705,587.78 and 2,119,866.72 is: 2,926,476.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408,611.16 : 4,705,587.78 = 2,119,866.72 : x
  2. Step 2: Convert to fraction form
    3,408,611.16/4,705,587.78 = 2,119,866.72/x
  3. Step 3: Cross multiply
    3,408,611.16x = 4,705,587.78 × 2,119,866.72
  4. Step 4: Simplify right side
    3,408,611.16x = 9,975,218,932,860.68
  5. Step 5: Solve for x
    x = 9,975,218,932,860.68/3,408,611.16
  6. Step 6: Final answer
    x = 2,926,476.05

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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.