Home / 1,616,723.58-2,231,047.47-891,638.31

Finding the Fourth Proportional to 1,616,723.58, 2,231,047.47 and 891,638.31

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Solution

The fourth proportional to 1,616,723.58, 2,231,047.47 and 891,638.31 is: 1,230,443.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,723.58 : 2,231,047.47 = 891,638.31 : x
  2. Step 2: Convert to fraction form
    1,616,723.58/2,231,047.47 = 891,638.31/x
  3. Step 3: Cross multiply
    1,616,723.58x = 2,231,047.47 × 891,638.31
  4. Step 4: Simplify right side
    1,616,723.58x = 1,989,287,395,680.58
  5. Step 5: Solve for x
    x = 1,989,287,395,680.58/1,616,723.58
  6. Step 6: Final answer
    x = 1,230,443.73

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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.