Home / 1,621,941.35-2,238,254.43-886,897.97

Finding the Fourth Proportional to 1,621,941.35, 2,238,254.43 and 886,897.97

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Solution

The fourth proportional to 1,621,941.35, 2,238,254.43 and 886,897.97 is: 1,223,905.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,941.35 : 2,238,254.43 = 886,897.97 : x
  2. Step 2: Convert to fraction form
    1,621,941.35/2,238,254.43 = 886,897.97/x
  3. Step 3: Cross multiply
    1,621,941.35x = 2,238,254.43 × 886,897.97
  4. Step 4: Simplify right side
    1,621,941.35x = 1,985,103,313,570.35
  5. Step 5: Solve for x
    x = 1,985,103,313,570.35/1,621,941.35
  6. Step 6: Final answer
    x = 1,223,905.73

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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.