Home / 1,616,469.31-2,230,647.63-918,659.29

Finding the Fourth Proportional to 1,616,469.31, 2,230,647.63 and 918,659.29

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Solution

The fourth proportional to 1,616,469.31, 2,230,647.63 and 918,659.29 is: 1,267,704.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,469.31 : 2,230,647.63 = 918,659.29 : x
  2. Step 2: Convert to fraction form
    1,616,469.31/2,230,647.63 = 918,659.29/x
  3. Step 3: Cross multiply
    1,616,469.31x = 2,230,647.63 × 918,659.29
  4. Step 4: Simplify right side
    1,616,469.31x = 2,049,205,168,015.98
  5. Step 5: Solve for x
    x = 2,049,205,168,015.98/1,616,469.31
  6. Step 6: Final answer
    x = 1,267,704.35

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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.