Home / 3,131,500.56-4,321,467.75-1,754,855.07

Finding the Fourth Proportional to 3,131,500.56, 4,321,467.75 and 1,754,855.07

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Solution

The fourth proportional to 3,131,500.56, 4,321,467.75 and 1,754,855.07 is: 2,421,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,500.56 : 4,321,467.75 = 1,754,855.07 : x
  2. Step 2: Convert to fraction form
    3,131,500.56/4,321,467.75 = 1,754,855.07/x
  3. Step 3: Cross multiply
    3,131,500.56x = 4,321,467.75 × 1,754,855.07
  4. Step 4: Simplify right side
    3,131,500.56x = 7,583,549,590,928.99
  5. Step 5: Solve for x
    x = 7,583,549,590,928.99/3,131,500.56
  6. Step 6: Final answer
    x = 2,421,698.30

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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.