Home / 4,672,003.60-7,008,005.40-1,679,798.80

Finding the Fourth Proportional to 4,672,003.60, 7,008,005.40 and 1,679,798.80

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Solution

The fourth proportional to 4,672,003.60, 7,008,005.40 and 1,679,798.80 is: 2,519,698.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672,003.60 : 7,008,005.40 = 1,679,798.80 : x
  2. Step 2: Convert to fraction form
    4,672,003.60/7,008,005.40 = 1,679,798.80/x
  3. Step 3: Cross multiply
    4,672,003.60x = 7,008,005.40 × 1,679,798.80
  4. Step 4: Simplify right side
    4,672,003.60x = 11,772,039,061,313.52
  5. Step 5: Solve for x
    x = 11,772,039,061,313.52/4,672,003.60
  6. Step 6: Final answer
    x = 2,519,698.20

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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.