Home / 3,622,554.48-4,999,152.12-1,990,989.60

Finding the Fourth Proportional to 3,622,554.48, 4,999,152.12 and 1,990,989.60

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Solution

The fourth proportional to 3,622,554.48, 4,999,152.12 and 1,990,989.60 is: 2,747,580.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622,554.48 : 4,999,152.12 = 1,990,989.60 : x
  2. Step 2: Convert to fraction form
    3,622,554.48/4,999,152.12 = 1,990,989.60/x
  3. Step 3: Cross multiply
    3,622,554.48x = 4,999,152.12 × 1,990,989.60
  4. Step 4: Simplify right side
    3,622,554.48x = 9,953,259,879,737.95
  5. Step 5: Solve for x
    x = 9,953,259,879,737.95/3,622,554.48
  6. Step 6: Final answer
    x = 2,747,580.45

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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.