Home / 5,242,643.40-7,848,218.70-3,111,630.60

Finding the Fourth Proportional to 5,242,643.40, 7,848,218.70 and 3,111,630.60

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Solution

The fourth proportional to 5,242,643.40, 7,848,218.70 and 3,111,630.60 is: 4,658,100.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242,643.40 : 7,848,218.70 = 3,111,630.60 : x
  2. Step 2: Convert to fraction form
    5,242,643.40/7,848,218.70 = 3,111,630.60/x
  3. Step 3: Cross multiply
    5,242,643.40x = 7,848,218.70 × 3,111,630.60
  4. Step 4: Simplify right side
    5,242,643.40x = 24,420,757,462,412.22
  5. Step 5: Solve for x
    x = 24,420,757,462,412.22/5,242,643.40
  6. Step 6: Final answer
    x = 4,658,100.05

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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.