Home / 4,678,954.80-7,018,432.20-2,553,190.80

Finding the Fourth Proportional to 4,678,954.80, 7,018,432.20 and 2,553,190.80

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Solution

The fourth proportional to 4,678,954.80, 7,018,432.20 and 2,553,190.80 is: 3,829,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,954.80 : 7,018,432.20 = 2,553,190.80 : x
  2. Step 2: Convert to fraction form
    4,678,954.80/7,018,432.20 = 2,553,190.80/x
  3. Step 3: Cross multiply
    4,678,954.80x = 7,018,432.20 × 2,553,190.80
  4. Step 4: Simplify right side
    4,678,954.80x = 17,919,396,523,463.76
  5. Step 5: Solve for x
    x = 17,919,396,523,463.76/4,678,954.80
  6. Step 6: Final answer
    x = 3,829,786.20

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Double scale
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Similar ratio
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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.