Home / 2,698,692.12-4,048,738.56-805,433.49

Finding the Fourth Proportional to 2,698,692.12, 4,048,738.56 and 805,433.49

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Solution

The fourth proportional to 2,698,692.12, 4,048,738.56 and 805,433.49 is: 1,208,359.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698,692.12 : 4,048,738.56 = 805,433.49 : x
  2. Step 2: Convert to fraction form
    2,698,692.12/4,048,738.56 = 805,433.49/x
  3. Step 3: Cross multiply
    2,698,692.12x = 4,048,738.56 × 805,433.49
  4. Step 4: Simplify right side
    2,698,692.12x = 3,260,989,628,478.37
  5. Step 5: Solve for x
    x = 3,260,989,628,478.37/2,698,692.12
  6. Step 6: Final answer
    x = 1,208,359.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.