Home / 4,152,772.72-6,229,121.52-1,312,885.72

Finding the Fourth Proportional to 4,152,772.72, 6,229,121.52 and 1,312,885.72

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Solution

The fourth proportional to 4,152,772.72, 6,229,121.52 and 1,312,885.72 is: 1,969,316.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152,772.72 : 6,229,121.52 = 1,312,885.72 : x
  2. Step 2: Convert to fraction form
    4,152,772.72/6,229,121.52 = 1,312,885.72/x
  3. Step 3: Cross multiply
    4,152,772.72x = 6,229,121.52 × 1,312,885.72
  4. Step 4: Simplify right side
    4,152,772.72x = 8,178,124,691,752.69
  5. Step 5: Solve for x
    x = 8,178,124,691,752.69/4,152,772.72
  6. Step 6: Final answer
    x = 1,969,316.71

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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.