Home / 1,581,152.88-2,181,975.36-855,981.44

Finding the Fourth Proportional to 1,581,152.88, 2,181,975.36 and 855,981.44

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Solution

The fourth proportional to 1,581,152.88, 2,181,975.36 and 855,981.44 is: 1,181,245.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,152.88 : 2,181,975.36 = 855,981.44 : x
  2. Step 2: Convert to fraction form
    1,581,152.88/2,181,975.36 = 855,981.44/x
  3. Step 3: Cross multiply
    1,581,152.88x = 2,181,975.36 × 855,981.44
  4. Step 4: Simplify right side
    1,581,152.88x = 1,867,730,410,697.32
  5. Step 5: Solve for x
    x = 1,867,730,410,697.32/1,581,152.88
  6. Step 6: Final answer
    x = 1,181,245.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.