Home / 5,145,234.75-7,100,434.08-2,822,146.20

Finding the Fourth Proportional to 5,145,234.75, 7,100,434.08 and 2,822,146.20

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Solution

The fourth proportional to 5,145,234.75, 7,100,434.08 and 2,822,146.20 is: 3,894,567.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145,234.75 : 7,100,434.08 = 2,822,146.20 : x
  2. Step 2: Convert to fraction form
    5,145,234.75/7,100,434.08 = 2,822,146.20/x
  3. Step 3: Cross multiply
    5,145,234.75x = 7,100,434.08 × 2,822,146.20
  4. Step 4: Simplify right side
    5,145,234.75x = 20,038,463,057,222.50
  5. Step 5: Solve for x
    x = 20,038,463,057,222.50/5,145,234.75
  6. Step 6: Final answer
    x = 3,894,567.31

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Double scale
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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.