Home / 1,621,072.18-2,237,087.04-886,041.58

Finding the Fourth Proportional to 1,621,072.18, 2,237,087.04 and 886,041.58

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Solution

The fourth proportional to 1,621,072.18, 2,237,087.04 and 886,041.58 is: 1,222,741.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,072.18 : 2,237,087.04 = 886,041.58 : x
  2. Step 2: Convert to fraction form
    1,621,072.18/2,237,087.04 = 886,041.58/x
  3. Step 3: Cross multiply
    1,621,072.18x = 2,237,087.04 × 886,041.58
  4. Step 4: Simplify right side
    1,621,072.18x = 1,982,152,135,519.12
  5. Step 5: Solve for x
    x = 1,982,152,135,519.12/1,621,072.18
  6. Step 6: Final answer
    x = 1,222,741.44

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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.