Home / 5,280,830.40-7,930,576.80-4,085,659.20

Finding the Fourth Proportional to 5,280,830.40, 7,930,576.80 and 4,085,659.20

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Solution

The fourth proportional to 5,280,830.40, 7,930,576.80 and 4,085,659.20 is: 6,135,708.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,830.40 : 7,930,576.80 = 4,085,659.20 : x
  2. Step 2: Convert to fraction form
    5,280,830.40/7,930,576.80 = 4,085,659.20/x
  3. Step 3: Cross multiply
    5,280,830.40x = 7,930,576.80 × 4,085,659.20
  4. Step 4: Simplify right side
    5,280,830.40x = 32,401,634,064,226.56
  5. Step 5: Solve for x
    x = 32,401,634,064,226.56/5,280,830.40
  6. Step 6: Final answer
    x = 6,135,708.14

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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.