Home / 1,188,082.10-1,778,186.55-1,093,603.70

Finding the Fourth Proportional to 1,188,082.10, 1,778,186.55 and 1,093,603.70

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Solution

The fourth proportional to 1,188,082.10, 1,778,186.55 and 1,093,603.70 is: 1,636,782.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,082.10 : 1,778,186.55 = 1,093,603.70 : x
  2. Step 2: Convert to fraction form
    1,188,082.10/1,778,186.55 = 1,093,603.70/x
  3. Step 3: Cross multiply
    1,188,082.10x = 1,778,186.55 × 1,093,603.70
  4. Step 4: Simplify right side
    1,188,082.10x = 1,944,631,390,370.24
  5. Step 5: Solve for x
    x = 1,944,631,390,370.24/1,188,082.10
  6. Step 6: Final answer
    x = 1,636,782.00

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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.