Home / 1,616,065.02-2,230,185.15-890,939.25

Finding the Fourth Proportional to 1,616,065.02, 2,230,185.15 and 890,939.25

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Solution

The fourth proportional to 1,616,065.02, 2,230,185.15 and 890,939.25 is: 1,229,504.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,065.02 : 2,230,185.15 = 890,939.25 : x
  2. Step 2: Convert to fraction form
    1,616,065.02/2,230,185.15 = 890,939.25/x
  3. Step 3: Cross multiply
    1,616,065.02x = 2,230,185.15 × 890,939.25
  4. Step 4: Simplify right side
    1,616,065.02x = 1,986,959,484,902.14
  5. Step 5: Solve for x
    x = 1,986,959,484,902.14/1,616,065.02
  6. Step 6: Final answer
    x = 1,229,504.67

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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.