Home / 4,168,113.40-6,242,838.90-3,218,404.60

Finding the Fourth Proportional to 4,168,113.40, 6,242,838.90 and 3,218,404.60

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Solution

The fourth proportional to 4,168,113.40, 6,242,838.90 and 3,218,404.60 is: 4,820,401.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,168,113.40 : 6,242,838.90 = 3,218,404.60 : x
  2. Step 2: Convert to fraction form
    4,168,113.40/6,242,838.90 = 3,218,404.60/x
  3. Step 3: Cross multiply
    4,168,113.40x = 6,242,838.90 × 3,218,404.60
  4. Step 4: Simplify right side
    4,168,113.40x = 20,091,981,432,818.94
  5. Step 5: Solve for x
    x = 20,091,981,432,818.94/4,168,113.40
  6. Step 6: Final answer
    x = 4,820,401.82

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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.