Home / 1,819,905.40-2,729,858.10-1,796,285.80

Finding the Fourth Proportional to 1,819,905.40, 2,729,858.10 and 1,796,285.80

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Solution

The fourth proportional to 1,819,905.40, 2,729,858.10 and 1,796,285.80 is: 2,694,428.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,905.40 : 2,729,858.10 = 1,796,285.80 : x
  2. Step 2: Convert to fraction form
    1,819,905.40/2,729,858.10 = 1,796,285.80/x
  3. Step 3: Cross multiply
    1,819,905.40x = 2,729,858.10 × 1,796,285.80
  4. Step 4: Simplify right side
    1,819,905.40x = 4,903,605,341,044.98
  5. Step 5: Solve for x
    x = 4,903,605,341,044.98/1,819,905.40
  6. Step 6: Final answer
    x = 2,694,428.70

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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.