Home / 4,328,120.40-6,492,180.60-4,143,829.20

Finding the Fourth Proportional to 4,328,120.40, 6,492,180.60 and 4,143,829.20

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Solution

The fourth proportional to 4,328,120.40, 6,492,180.60 and 4,143,829.20 is: 6,215,743.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,328,120.40 : 6,492,180.60 = 4,143,829.20 : x
  2. Step 2: Convert to fraction form
    4,328,120.40/6,492,180.60 = 4,143,829.20/x
  3. Step 3: Cross multiply
    4,328,120.40x = 6,492,180.60 × 4,143,829.20
  4. Step 4: Simplify right side
    4,328,120.40x = 26,902,487,541,953.52
  5. Step 5: Solve for x
    x = 26,902,487,541,953.52/4,328,120.40
  6. Step 6: Final answer
    x = 6,215,743.80

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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.