Home / 3,638,389.80-5,460,695.10-1,619,740.20

Finding the Fourth Proportional to 3,638,389.80, 5,460,695.10 and 1,619,740.20

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Solution

The fourth proportional to 3,638,389.80, 5,460,695.10 and 1,619,740.20 is: 2,430,994.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638,389.80 : 5,460,695.10 = 1,619,740.20 : x
  2. Step 2: Convert to fraction form
    3,638,389.80/5,460,695.10 = 1,619,740.20/x
  3. Step 3: Cross multiply
    3,638,389.80x = 5,460,695.10 × 1,619,740.20
  4. Step 4: Simplify right side
    3,638,389.80x = 8,844,907,373,413.02
  5. Step 5: Solve for x
    x = 8,844,907,373,413.02/3,638,389.80
  6. Step 6: Final answer
    x = 2,430,994.99

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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.