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Finding the Fourth Proportional to 1,698,615, 2,548,316.16 and 576,684

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Solution

The fourth proportional to 1,698,615, 2,548,316.16 and 576,684 is: 865,159.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698,615 : 2,548,316.16 = 576,684 : x
  2. Step 2: Convert to fraction form
    1,698,615/2,548,316.16 = 576,684/x
  3. Step 3: Cross multiply
    1,698,615x = 2,548,316.16 × 576,684
  4. Step 4: Simplify right side
    1,698,615x = 1,469,573,156,413.44
  5. Step 5: Solve for x
    x = 1,469,573,156,413.44/1,698,615
  6. Step 6: Final answer
    x = 865,159.65

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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.