Home / 4,969,699.60-7,454,549.40-3,178,109.20

Finding the Fourth Proportional to 4,969,699.60, 7,454,549.40 and 3,178,109.20

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Solution

The fourth proportional to 4,969,699.60, 7,454,549.40 and 3,178,109.20 is: 4,767,163.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,969,699.60 : 7,454,549.40 = 3,178,109.20 : x
  2. Step 2: Convert to fraction form
    4,969,699.60/7,454,549.40 = 3,178,109.20/x
  3. Step 3: Cross multiply
    4,969,699.60x = 7,454,549.40 × 3,178,109.20
  4. Step 4: Simplify right side
    4,969,699.60x = 23,691,372,029,994.48
  5. Step 5: Solve for x
    x = 23,691,372,029,994.48/4,969,699.60
  6. Step 6: Final answer
    x = 4,767,163.80

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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.