Home / 3,139,576.40-4,709,364.60-1,344,486.80

Finding the Fourth Proportional to 3,139,576.40, 4,709,364.60 and 1,344,486.80

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Solution

The fourth proportional to 3,139,576.40, 4,709,364.60 and 1,344,486.80 is: 2,016,730.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,576.40 : 4,709,364.60 = 1,344,486.80 : x
  2. Step 2: Convert to fraction form
    3,139,576.40/4,709,364.60 = 1,344,486.80/x
  3. Step 3: Cross multiply
    3,139,576.40x = 4,709,364.60 × 1,344,486.80
  4. Step 4: Simplify right side
    3,139,576.40x = 6,331,678,541,087.28
  5. Step 5: Solve for x
    x = 6,331,678,541,087.28/3,139,576.40
  6. Step 6: Final answer
    x = 2,016,730.20

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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.