Home / 2,077,619.58-3,117,416.40-1,438,906.32

Finding the Fourth Proportional to 2,077,619.58, 3,117,416.40 and 1,438,906.32

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Solution

The fourth proportional to 2,077,619.58, 3,117,416.40 and 1,438,906.32 is: 2,159,043.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,619.58 : 3,117,416.40 = 1,438,906.32 : x
  2. Step 2: Convert to fraction form
    2,077,619.58/3,117,416.40 = 1,438,906.32/x
  3. Step 3: Cross multiply
    2,077,619.58x = 3,117,416.40 × 1,438,906.32
  4. Step 4: Simplify right side
    2,077,619.58x = 4,485,670,160,031.65
  5. Step 5: Solve for x
    x = 4,485,670,160,031.65/2,077,619.58
  6. Step 6: Final answer
    x = 2,159,043.07

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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.