Home / 2,686,413.20-4,032,730.20-1,622,656.40

Finding the Fourth Proportional to 2,686,413.20, 4,032,730.20 and 1,622,656.40

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Solution

The fourth proportional to 2,686,413.20, 4,032,730.20 and 1,622,656.40 is: 2,435,863.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,413.20 : 4,032,730.20 = 1,622,656.40 : x
  2. Step 2: Convert to fraction form
    2,686,413.20/4,032,730.20 = 1,622,656.40/x
  3. Step 3: Cross multiply
    2,686,413.20x = 4,032,730.20 × 1,622,656.40
  4. Step 4: Simplify right side
    2,686,413.20x = 6,543,735,468,503.28
  5. Step 5: Solve for x
    x = 6,543,735,468,503.28/2,686,413.20
  6. Step 6: Final answer
    x = 2,435,863.35

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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.