Home / 2,989,916.56-4,124,790.48-1,828,413.60

Finding the Fourth Proportional to 2,989,916.56, 4,124,790.48 and 1,828,413.60

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Solution

The fourth proportional to 2,989,916.56, 4,124,790.48 and 1,828,413.60 is: 2,522,419.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,916.56 : 4,124,790.48 = 1,828,413.60 : x
  2. Step 2: Convert to fraction form
    2,989,916.56/4,124,790.48 = 1,828,413.60/x
  3. Step 3: Cross multiply
    2,989,916.56x = 4,124,790.48 × 1,828,413.60
  4. Step 4: Simplify right side
    2,989,916.56x = 7,541,823,010,782.53
  5. Step 5: Solve for x
    x = 7,541,823,010,782.53/2,989,916.56
  6. Step 6: Final answer
    x = 2,522,419.22

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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.