Home / 3,056,604.45-4,218,157.79-1,680,075.43

Finding the Fourth Proportional to 3,056,604.45, 4,218,157.79 and 1,680,075.43

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Solution

The fourth proportional to 3,056,604.45, 4,218,157.79 and 1,680,075.43 is: 2,318,528.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056,604.45 : 4,218,157.79 = 1,680,075.43 : x
  2. Step 2: Convert to fraction form
    3,056,604.45/4,218,157.79 = 1,680,075.43/x
  3. Step 3: Cross multiply
    3,056,604.45x = 4,218,157.79 × 1,680,075.43
  4. Step 4: Simplify right side
    3,056,604.45x = 7,086,823,262,842.10
  5. Step 5: Solve for x
    x = 7,086,823,262,842.10/3,056,604.45
  6. Step 6: Final answer
    x = 2,318,528.09

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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.