Home / 4,000,543.07-5,520,706.38-2,164,960.76

Finding the Fourth Proportional to 4,000,543.07, 5,520,706.38 and 2,164,960.76

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Solution

The fourth proportional to 4,000,543.07, 5,520,706.38 and 2,164,960.76 is: 2,987,622.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000,543.07 : 5,520,706.38 = 2,164,960.76 : x
  2. Step 2: Convert to fraction form
    4,000,543.07/5,520,706.38 = 2,164,960.76/x
  3. Step 3: Cross multiply
    4,000,543.07x = 5,520,706.38 × 2,164,960.76
  4. Step 4: Simplify right side
    4,000,543.07x = 11,952,112,652,578.12
  5. Step 5: Solve for x
    x = 11,952,112,652,578.12/4,000,543.07
  6. Step 6: Final answer
    x = 2,987,622.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.