Home / 6,518,945.80-9,778,370.10-1,969,985.80

Finding the Fourth Proportional to 6,518,945.80, 9,778,370.10 and 1,969,985.80

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Solution

The fourth proportional to 6,518,945.80, 9,778,370.10 and 1,969,985.80 is: 2,954,964.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518,945.80 : 9,778,370.10 = 1,969,985.80 : x
  2. Step 2: Convert to fraction form
    6,518,945.80/9,778,370.10 = 1,969,985.80/x
  3. Step 3: Cross multiply
    6,518,945.80x = 9,778,370.10 × 1,969,985.80
  4. Step 4: Simplify right side
    6,518,945.80x = 19,263,250,244,144.58
  5. Step 5: Solve for x
    x = 19,263,250,244,144.58/6,518,945.80
  6. Step 6: Final answer
    x = 2,954,964.01

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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.