Home / 2,830,653.74-3,906,466.34-2,131,683.18

Finding the Fourth Proportional to 2,830,653.74, 3,906,466.34 and 2,131,683.18

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Solution

The fourth proportional to 2,830,653.74, 3,906,466.34 and 2,131,683.18 is: 2,941,846.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830,653.74 : 3,906,466.34 = 2,131,683.18 : x
  2. Step 2: Convert to fraction form
    2,830,653.74/3,906,466.34 = 2,131,683.18/x
  3. Step 3: Cross multiply
    2,830,653.74x = 3,906,466.34 × 2,131,683.18
  4. Step 4: Simplify right side
    2,830,653.74x = 8,327,348,579,555.75
  5. Step 5: Solve for x
    x = 8,327,348,579,555.75/2,830,653.74
  6. Step 6: Final answer
    x = 2,941,846.43

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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.