Home / 2,715,082.70-4,074,920.40-1,118,791.40

Finding the Fourth Proportional to 2,715,082.70, 4,074,920.40 and 1,118,791.40

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Solution

The fourth proportional to 2,715,082.70, 4,074,920.40 and 1,118,791.40 is: 1,679,133.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715,082.70 : 4,074,920.40 = 1,118,791.40 : x
  2. Step 2: Convert to fraction form
    2,715,082.70/4,074,920.40 = 1,118,791.40/x
  3. Step 3: Cross multiply
    2,715,082.70x = 4,074,920.40 × 1,118,791.40
  4. Step 4: Simplify right side
    2,715,082.70x = 4,558,985,899,204.56
  5. Step 5: Solve for x
    x = 4,558,985,899,204.56/2,715,082.70
  6. Step 6: Final answer
    x = 1,679,133.35

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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.