Home / 3,980,249.10-5,492,364.31-2,326,782.79

Finding the Fourth Proportional to 3,980,249.10, 5,492,364.31 and 2,326,782.79

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Solution

The fourth proportional to 3,980,249.10, 5,492,364.31 and 2,326,782.79 is: 3,210,738.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980,249.10 : 5,492,364.31 = 2,326,782.79 : x
  2. Step 2: Convert to fraction form
    3,980,249.10/5,492,364.31 = 2,326,782.79/x
  3. Step 3: Cross multiply
    3,980,249.10x = 5,492,364.31 × 2,326,782.79
  4. Step 4: Simplify right side
    3,980,249.10x = 12,779,538,745,609.70
  5. Step 5: Solve for x
    x = 12,779,538,745,609.70/3,980,249.10
  6. Step 6: Final answer
    x = 3,210,738.43

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1.5x scale

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.