Home / 2,938,604.40-4,055,375.64-1,631,878.44

Finding the Fourth Proportional to 2,938,604.40, 4,055,375.64 and 1,631,878.44

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Solution

The fourth proportional to 2,938,604.40, 4,055,375.64 and 1,631,878.44 is: 2,252,048.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,604.40 : 4,055,375.64 = 1,631,878.44 : x
  2. Step 2: Convert to fraction form
    2,938,604.40/4,055,375.64 = 1,631,878.44/x
  3. Step 3: Cross multiply
    2,938,604.40x = 4,055,375.64 × 1,631,878.44
  4. Step 4: Simplify right side
    2,938,604.40x = 6,617,880,073,017.20
  5. Step 5: Solve for x
    x = 6,617,880,073,017.20/2,938,604.40
  6. Step 6: Final answer
    x = 2,252,048.65

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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.