Home / 5,256,421.82-7,255,413.43-3,081,435.74

Finding the Fourth Proportional to 5,256,421.82, 7,255,413.43 and 3,081,435.74

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Solution

The fourth proportional to 5,256,421.82, 7,255,413.43 and 3,081,435.74 is: 4,253,290.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256,421.82 : 7,255,413.43 = 3,081,435.74 : x
  2. Step 2: Convert to fraction form
    5,256,421.82/7,255,413.43 = 3,081,435.74/x
  3. Step 3: Cross multiply
    5,256,421.82x = 7,255,413.43 × 3,081,435.74
  4. Step 4: Simplify right side
    5,256,421.82x = 22,357,090,234,905.13
  5. Step 5: Solve for x
    x = 22,357,090,234,905.13/5,256,421.82
  6. Step 6: Final answer
    x = 4,253,290.74

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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.