Home / 1,616,020.12-2,230,114.52-890,851.96

Finding the Fourth Proportional to 1,616,020.12, 2,230,114.52 and 890,851.96

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Solution

The fourth proportional to 1,616,020.12, 2,230,114.52 and 890,851.96 is: 1,229,379.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,020.12 : 2,230,114.52 = 890,851.96 : x
  2. Step 2: Convert to fraction form
    1,616,020.12/2,230,114.52 = 890,851.96/x
  3. Step 3: Cross multiply
    1,616,020.12x = 2,230,114.52 × 890,851.96
  4. Step 4: Simplify right side
    1,616,020.12x = 1,986,701,875,561.63
  5. Step 5: Solve for x
    x = 1,986,701,875,561.63/1,616,020.12
  6. Step 6: Final answer
    x = 1,229,379.42

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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.