Home / 3,128,622-4,317,498.36-1,697,838

Finding the Fourth Proportional to 3,128,622, 4,317,498.36 and 1,697,838

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Solution

The fourth proportional to 3,128,622, 4,317,498.36 and 1,697,838 is: 2,343,016.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,622 : 4,317,498.36 = 1,697,838 : x
  2. Step 2: Convert to fraction form
    3,128,622/4,317,498.36 = 1,697,838/x
  3. Step 3: Cross multiply
    3,128,622x = 4,317,498.36 × 1,697,838
  4. Step 4: Simplify right side
    3,128,622x = 7,330,412,780,545.68
  5. Step 5: Solve for x
    x = 7,330,412,780,545.68/3,128,622
  6. Step 6: Final answer
    x = 2,343,016.44

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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.