Home / 2,235,871.80-3,085,401.42-1,217,274.36

Finding the Fourth Proportional to 2,235,871.80, 3,085,401.42 and 1,217,274.36

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Solution

The fourth proportional to 2,235,871.80, 3,085,401.42 and 1,217,274.36 is: 1,679,783.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235,871.80 : 3,085,401.42 = 1,217,274.36 : x
  2. Step 2: Convert to fraction form
    2,235,871.80/3,085,401.42 = 1,217,274.36/x
  3. Step 3: Cross multiply
    2,235,871.80x = 3,085,401.42 × 1,217,274.36
  4. Step 4: Simplify right side
    2,235,871.80x = 3,755,780,038,873.59
  5. Step 5: Solve for x
    x = 3,755,780,038,873.59/2,235,871.80
  6. Step 6: Final answer
    x = 1,679,783.27

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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.