Home / 1,610,319-2,415,422.80-412,251.60

Finding the Fourth Proportional to 1,610,319, 2,415,422.80 and 412,251.60

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Solution

The fourth proportional to 1,610,319, 2,415,422.80 and 412,251.60 is: 618,363.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,319 : 2,415,422.80 = 412,251.60 : x
  2. Step 2: Convert to fraction form
    1,610,319/2,415,422.80 = 412,251.60/x
  3. Step 3: Cross multiply
    1,610,319x = 2,415,422.80 × 412,251.60
  4. Step 4: Simplify right side
    1,610,319x = 995,761,913,976.48
  5. Step 5: Solve for x
    x = 995,761,913,976.48/1,610,319
  6. Step 6: Final answer
    x = 618,363.14

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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.