Home / 6,321,482.89-8,723,646.21-3,420,873.75

Finding the Fourth Proportional to 6,321,482.89, 8,723,646.21 and 3,420,873.75

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Solution

The fourth proportional to 6,321,482.89, 8,723,646.21 and 3,420,873.75 is: 4,720,805.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,482.89 : 8,723,646.21 = 3,420,873.75 : x
  2. Step 2: Convert to fraction form
    6,321,482.89/8,723,646.21 = 3,420,873.75/x
  3. Step 3: Cross multiply
    6,321,482.89x = 8,723,646.21 × 3,420,873.75
  4. Step 4: Simplify right side
    6,321,482.89x = 29,842,492,324,075.99
  5. Step 5: Solve for x
    x = 29,842,492,324,075.99/6,321,482.89
  6. Step 6: Final answer
    x = 4,720,805.68

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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.