Home / 3,178,148.40-4,767,222.60-2,916,874.80

Finding the Fourth Proportional to 3,178,148.40, 4,767,222.60 and 2,916,874.80

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Solution

The fourth proportional to 3,178,148.40, 4,767,222.60 and 2,916,874.80 is: 4,375,312.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,148.40 : 4,767,222.60 = 2,916,874.80 : x
  2. Step 2: Convert to fraction form
    3,178,148.40/4,767,222.60 = 2,916,874.80/x
  3. Step 3: Cross multiply
    3,178,148.40x = 4,767,222.60 × 2,916,874.80
  4. Step 4: Simplify right side
    3,178,148.40x = 13,905,391,467,930.48
  5. Step 5: Solve for x
    x = 13,905,391,467,930.48/3,178,148.40
  6. Step 6: Final answer
    x = 4,375,312.20

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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.