Home / 4,085,864-6,128,796-1,284,200

Finding the Fourth Proportional to 4,085,864, 6,128,796 and 1,284,200

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Solution

The fourth proportional to 4,085,864, 6,128,796 and 1,284,200 is: 1,926,300

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085,864 : 6,128,796 = 1,284,200 : x
  2. Step 2: Convert to fraction form
    4,085,864/6,128,796 = 1,284,200/x
  3. Step 3: Cross multiply
    4,085,864x = 6,128,796 × 1,284,200
  4. Step 4: Simplify right side
    4,085,864x = 7,870,599,823,200
  5. Step 5: Solve for x
    x = 7,870,599,823,200/4,085,864
  6. Step 6: Final answer
    x = 1,926,300

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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.