Home / 2,780,977.10-3,837,431.23-1,557,112.46

Finding the Fourth Proportional to 2,780,977.10, 3,837,431.23 and 1,557,112.46

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Solution

The fourth proportional to 2,780,977.10, 3,837,431.23 and 1,557,112.46 is: 2,148,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,977.10 : 3,837,431.23 = 1,557,112.46 : x
  2. Step 2: Convert to fraction form
    2,780,977.10/3,837,431.23 = 1,557,112.46/x
  3. Step 3: Cross multiply
    2,780,977.10x = 3,837,431.23 × 1,557,112.46
  4. Step 4: Simplify right side
    2,780,977.10x = 5,975,311,959,546.19
  5. Step 5: Solve for x
    x = 5,975,311,959,546.19/2,780,977.10
  6. Step 6: Final answer
    x = 2,148,637.60

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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.