Home / 2,111,031-3,165,346.80-830,944.68

Finding the Fourth Proportional to 2,111,031, 3,165,346.80 and 830,944.68

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Solution

The fourth proportional to 2,111,031, 3,165,346.80 and 830,944.68 is: 1,245,944.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,031 : 3,165,346.80 = 830,944.68 : x
  2. Step 2: Convert to fraction form
    2,111,031/3,165,346.80 = 830,944.68/x
  3. Step 3: Cross multiply
    2,111,031x = 3,165,346.80 × 830,944.68
  4. Step 4: Simplify right side
    2,111,031x = 2,630,228,083,815.02
  5. Step 5: Solve for x
    x = 2,630,228,083,815.02/2,111,031
  6. Step 6: Final answer
    x = 1,245,944.79

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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.