Home / 2,556,638.64-3,529,438.65-1,590,080.49

Finding the Fourth Proportional to 2,556,638.64, 3,529,438.65 and 1,590,080.49

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Solution

The fourth proportional to 2,556,638.64, 3,529,438.65 and 1,590,080.49 is: 2,195,105.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556,638.64 : 3,529,438.65 = 1,590,080.49 : x
  2. Step 2: Convert to fraction form
    2,556,638.64/3,529,438.65 = 1,590,080.49/x
  3. Step 3: Cross multiply
    2,556,638.64x = 3,529,438.65 × 1,590,080.49
  4. Step 4: Simplify right side
    2,556,638.64x = 5,612,091,538,016.94
  5. Step 5: Solve for x
    x = 5,612,091,538,016.94/2,556,638.64
  6. Step 6: Final answer
    x = 2,195,105.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.