Home / 4,678,942.60-7,017,101.70-1,485,047.80

Finding the Fourth Proportional to 4,678,942.60, 7,017,101.70 and 1,485,047.80

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Solution

The fourth proportional to 4,678,942.60, 7,017,101.70 and 1,485,047.80 is: 2,227,155.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,942.60 : 7,017,101.70 = 1,485,047.80 : x
  2. Step 2: Convert to fraction form
    4,678,942.60/7,017,101.70 = 1,485,047.80/x
  3. Step 3: Cross multiply
    4,678,942.60x = 7,017,101.70 × 1,485,047.80
  4. Step 4: Simplify right side
    4,678,942.60x = 10,420,731,441,961.26
  5. Step 5: Solve for x
    x = 10,420,731,441,961.26/4,678,942.60
  6. Step 6: Final answer
    x = 2,227,155.22

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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.