Home / 4,158,645.80-6,237,968.70-1,318,980.20

Finding the Fourth Proportional to 4,158,645.80, 6,237,968.70 and 1,318,980.20

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Solution

The fourth proportional to 4,158,645.80, 6,237,968.70 and 1,318,980.20 is: 1,978,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158,645.80 : 6,237,968.70 = 1,318,980.20 : x
  2. Step 2: Convert to fraction form
    4,158,645.80/6,237,968.70 = 1,318,980.20/x
  3. Step 3: Cross multiply
    4,158,645.80x = 6,237,968.70 × 1,318,980.20
  4. Step 4: Simplify right side
    4,158,645.80x = 8,227,757,203,519.74
  5. Step 5: Solve for x
    x = 8,227,757,203,519.74/4,158,645.80
  6. Step 6: Final answer
    x = 1,978,470.30

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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.