Home / 3,147,820.09-4,721,730.05-873,344.84

Finding the Fourth Proportional to 3,147,820.09, 4,721,730.05 and 873,344.84

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Solution

The fourth proportional to 3,147,820.09, 4,721,730.05 and 873,344.84 is: 1,310,017.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,820.09 : 4,721,730.05 = 873,344.84 : x
  2. Step 2: Convert to fraction form
    3,147,820.09/4,721,730.05 = 873,344.84/x
  3. Step 3: Cross multiply
    3,147,820.09x = 4,721,730.05 × 873,344.84
  4. Step 4: Simplify right side
    3,147,820.09x = 4,123,698,553,615.15
  5. Step 5: Solve for x
    x = 4,123,698,553,615.15/3,147,820.09
  6. Step 6: Final answer
    x = 1,310,017.23

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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.