Home / 2,520,728.40-3,783,857.40-1,575,166.80

Finding the Fourth Proportional to 2,520,728.40, 3,783,857.40 and 1,575,166.80

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Solution

The fourth proportional to 2,520,728.40, 3,783,857.40 and 1,575,166.80 is: 2,364,477.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520,728.40 : 3,783,857.40 = 1,575,166.80 : x
  2. Step 2: Convert to fraction form
    2,520,728.40/3,783,857.40 = 1,575,166.80/x
  3. Step 3: Cross multiply
    2,520,728.40x = 3,783,857.40 × 1,575,166.80
  4. Step 4: Simplify right side
    2,520,728.40x = 5,960,206,552,414.32
  5. Step 5: Solve for x
    x = 5,960,206,552,414.32/2,520,728.40
  6. Step 6: Final answer
    x = 2,364,477.88

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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.