Home / 3,420,625.20-4,720,141.24-2,315,809.16

Finding the Fourth Proportional to 3,420,625.20, 4,720,141.24 and 2,315,809.16

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Solution

The fourth proportional to 3,420,625.20, 4,720,141.24 and 2,315,809.16 is: 3,195,598.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,625.20 : 4,720,141.24 = 2,315,809.16 : x
  2. Step 2: Convert to fraction form
    3,420,625.20/4,720,141.24 = 2,315,809.16/x
  3. Step 3: Cross multiply
    3,420,625.20x = 4,720,141.24 × 2,315,809.16
  4. Step 4: Simplify right side
    3,420,625.20x = 10,930,946,320,085.76
  5. Step 5: Solve for x
    x = 10,930,946,320,085.76/3,420,625.20
  6. Step 6: Final answer
    x = 3,195,598.96

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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.