Home / 3,018,413.09-4,165,328.36-1,711,904.75

Finding the Fourth Proportional to 3,018,413.09, 4,165,328.36 and 1,711,904.75

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Solution

The fourth proportional to 3,018,413.09, 4,165,328.36 and 1,711,904.75 is: 2,362,382.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018,413.09 : 4,165,328.36 = 1,711,904.75 : x
  2. Step 2: Convert to fraction form
    3,018,413.09/4,165,328.36 = 1,711,904.75/x
  3. Step 3: Cross multiply
    3,018,413.09x = 4,165,328.36 × 1,711,904.75
  4. Step 4: Simplify right side
    3,018,413.09x = 7,130,645,375,407.55
  5. Step 5: Solve for x
    x = 7,130,645,375,407.55/3,018,413.09
  6. Step 6: Final answer
    x = 2,362,382.21

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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.