Home / 3,071,999.80-4,607,999.70-828,364.60

Finding the Fourth Proportional to 3,071,999.80, 4,607,999.70 and 828,364.60

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Solution

The fourth proportional to 3,071,999.80, 4,607,999.70 and 828,364.60 is: 1,242,546.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071,999.80 : 4,607,999.70 = 828,364.60 : x
  2. Step 2: Convert to fraction form
    3,071,999.80/4,607,999.70 = 828,364.60/x
  3. Step 3: Cross multiply
    3,071,999.80x = 4,607,999.70 × 828,364.60
  4. Step 4: Simplify right side
    3,071,999.80x = 3,817,103,828,290.62
  5. Step 5: Solve for x
    x = 3,817,103,828,290.62/3,071,999.80
  6. Step 6: Final answer
    x = 1,242,546.90

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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.