Home / 3,040,389.78-4,195,737.70-1,663,733.67

Finding the Fourth Proportional to 3,040,389.78, 4,195,737.70 and 1,663,733.67

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Solution

The fourth proportional to 3,040,389.78, 4,195,737.70 and 1,663,733.67 is: 2,295,952.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040,389.78 : 4,195,737.70 = 1,663,733.67 : x
  2. Step 2: Convert to fraction form
    3,040,389.78/4,195,737.70 = 1,663,733.67/x
  3. Step 3: Cross multiply
    3,040,389.78x = 4,195,737.70 × 1,663,733.67
  4. Step 4: Simplify right side
    3,040,389.78x = 6,980,590,081,978.36
  5. Step 5: Solve for x
    x = 6,980,590,081,978.36/3,040,389.78
  6. Step 6: Final answer
    x = 2,295,952.36

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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.