Home / 1,615,235.10-2,228,993.82-890,149.84

Finding the Fourth Proportional to 1,615,235.10, 2,228,993.82 and 890,149.84

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Solution

The fourth proportional to 1,615,235.10, 2,228,993.82 and 890,149.84 is: 1,228,389.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,235.10 : 2,228,993.82 = 890,149.84 : x
  2. Step 2: Convert to fraction form
    1,615,235.10/2,228,993.82 = 890,149.84/x
  3. Step 3: Cross multiply
    1,615,235.10x = 2,228,993.82 × 890,149.84
  4. Step 4: Simplify right side
    1,615,235.10x = 1,984,138,492,233.99
  5. Step 5: Solve for x
    x = 1,984,138,492,233.99/1,615,235.10
  6. Step 6: Final answer
    x = 1,228,389.91

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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.