Home / 2,148,685.40-2,965,241.95-1,181,841.06

Finding the Fourth Proportional to 2,148,685.40, 2,965,241.95 and 1,181,841.06

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Solution

The fourth proportional to 2,148,685.40, 2,965,241.95 and 1,181,841.06 is: 1,630,971.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,685.40 : 2,965,241.95 = 1,181,841.06 : x
  2. Step 2: Convert to fraction form
    2,148,685.40/2,965,241.95 = 1,181,841.06/x
  3. Step 3: Cross multiply
    2,148,685.40x = 2,965,241.95 × 1,181,841.06
  4. Step 4: Simplify right side
    2,148,685.40x = 3,504,444,689,344.47
  5. Step 5: Solve for x
    x = 3,504,444,689,344.47/2,148,685.40
  6. Step 6: Final answer
    x = 1,630,971.52

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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.