Home / 2,255,965.97-3,113,219.81-1,223,463.45

Finding the Fourth Proportional to 2,255,965.97, 3,113,219.81 and 1,223,463.45

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Solution

The fourth proportional to 2,255,965.97, 3,113,219.81 and 1,223,463.45 is: 1,688,372.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255,965.97 : 3,113,219.81 = 1,223,463.45 : x
  2. Step 2: Convert to fraction form
    2,255,965.97/3,113,219.81 = 1,223,463.45/x
  3. Step 3: Cross multiply
    2,255,965.97x = 3,113,219.81 × 1,223,463.45
  4. Step 4: Simplify right side
    2,255,965.97x = 3,808,910,649,350.94
  5. Step 5: Solve for x
    x = 3,808,910,649,350.94/2,255,965.97
  6. Step 6: Final answer
    x = 1,688,372.39

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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.