Home / 3,215,986.23-4,821,018.70-1,393,205.80

Finding the Fourth Proportional to 3,215,986.23, 4,821,018.70 and 1,393,205.80

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Solution

The fourth proportional to 3,215,986.23, 4,821,018.70 and 1,393,205.80 is: 2,088,526.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215,986.23 : 4,821,018.70 = 1,393,205.80 : x
  2. Step 2: Convert to fraction form
    3,215,986.23/4,821,018.70 = 1,393,205.80/x
  3. Step 3: Cross multiply
    3,215,986.23x = 4,821,018.70 × 1,393,205.80
  4. Step 4: Simplify right side
    3,215,986.23x = 6,716,671,197,305.46
  5. Step 5: Solve for x
    x = 6,716,671,197,305.46/3,215,986.23
  6. Step 6: Final answer
    x = 2,088,526.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.