Home / 3,836,545.32-5,294,433.06-2,117,666.20

Finding the Fourth Proportional to 3,836,545.32, 5,294,433.06 and 2,117,666.20

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Solution

The fourth proportional to 3,836,545.32, 5,294,433.06 and 2,117,666.20 is: 2,922,379.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836,545.32 : 5,294,433.06 = 2,117,666.20 : x
  2. Step 2: Convert to fraction form
    3,836,545.32/5,294,433.06 = 2,117,666.20/x
  3. Step 3: Cross multiply
    3,836,545.32x = 5,294,433.06 × 2,117,666.20
  4. Step 4: Simplify right side
    3,836,545.32x = 11,211,841,939,324.57
  5. Step 5: Solve for x
    x = 11,211,841,939,324.57/3,836,545.32
  6. Step 6: Final answer
    x = 2,922,379.64

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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.