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Finding the Fourth Proportional to 1,815,798.95, 2,720,155.08 and 1,414,561.00

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Solution

The fourth proportional to 1,815,798.95, 2,720,155.08 and 1,414,561.00 is: 2,119,081.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,798.95 : 2,720,155.08 = 1,414,561.00 : x
  2. Step 2: Convert to fraction form
    1,815,798.95/2,720,155.08 = 1,414,561.00/x
  3. Step 3: Cross multiply
    1,815,798.95x = 2,720,155.08 × 1,414,561.00
  4. Step 4: Simplify right side
    1,815,798.95x = 3,847,825,285,767.48
  5. Step 5: Solve for x
    x = 3,847,825,285,767.48/1,815,798.95
  6. Step 6: Final answer
    x = 2,119,081.12

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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.