Home / 2,942,816.40-4,411,891.80-1,613,120.40

Finding the Fourth Proportional to 2,942,816.40, 4,411,891.80 and 1,613,120.40

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Solution

The fourth proportional to 2,942,816.40, 4,411,891.80 and 1,613,120.40 is: 2,418,401.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942,816.40 : 4,411,891.80 = 1,613,120.40 : x
  2. Step 2: Convert to fraction form
    2,942,816.40/4,411,891.80 = 1,613,120.40/x
  3. Step 3: Cross multiply
    2,942,816.40x = 4,411,891.80 × 1,613,120.40
  4. Step 4: Simplify right side
    2,942,816.40x = 7,116,912,665,172.72
  5. Step 5: Solve for x
    x = 7,116,912,665,172.72/2,942,816.40
  6. Step 6: Final answer
    x = 2,418,401.86

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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.