Home / 2,148,699.50-2,965,261.41-1,181,855.15

Finding the Fourth Proportional to 2,148,699.50, 2,965,261.41 and 1,181,855.15

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Solution

The fourth proportional to 2,148,699.50, 2,965,261.41 and 1,181,855.15 is: 1,630,990.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,699.50 : 2,965,261.41 = 1,181,855.15 : x
  2. Step 2: Convert to fraction form
    2,148,699.50/2,965,261.41 = 1,181,855.15/x
  3. Step 3: Cross multiply
    2,148,699.50x = 2,965,261.41 × 1,181,855.15
  4. Step 4: Simplify right side
    2,148,699.50x = 3,504,509,468,504.76
  5. Step 5: Solve for x
    x = 3,504,509,468,504.76/2,148,699.50
  6. Step 6: Final answer
    x = 1,630,990.96

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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.