Home / 1,855,945.66-2,784,128.76-1,665,234.36

Finding the Fourth Proportional to 1,855,945.66, 2,784,128.76 and 1,665,234.36

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Solution

The fourth proportional to 1,855,945.66, 2,784,128.76 and 1,665,234.36 is: 2,498,040.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,945.66 : 2,784,128.76 = 1,665,234.36 : x
  2. Step 2: Convert to fraction form
    1,855,945.66/2,784,128.76 = 1,665,234.36/x
  3. Step 3: Cross multiply
    1,855,945.66x = 2,784,128.76 × 1,665,234.36
  4. Step 4: Simplify right side
    1,855,945.66x = 4,636,226,873,816.19
  5. Step 5: Solve for x
    x = 4,636,226,873,816.19/1,855,945.66
  6. Step 6: Final answer
    x = 2,498,040.20

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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.