Home / 4,170,772.20-6,256,158.30-1,478,137.80

Finding the Fourth Proportional to 4,170,772.20, 6,256,158.30 and 1,478,137.80

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Solution

The fourth proportional to 4,170,772.20, 6,256,158.30 and 1,478,137.80 is: 2,217,206.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170,772.20 : 6,256,158.30 = 1,478,137.80 : x
  2. Step 2: Convert to fraction form
    4,170,772.20/6,256,158.30 = 1,478,137.80/x
  3. Step 3: Cross multiply
    4,170,772.20x = 6,256,158.30 × 1,478,137.80
  4. Step 4: Simplify right side
    4,170,772.20x = 9,247,464,066,013.74
  5. Step 5: Solve for x
    x = 9,247,464,066,013.74/4,170,772.20
  6. Step 6: Final answer
    x = 2,217,206.70

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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.