Home / 2,698,709.12-4,048,764.06-805,450.50

Finding the Fourth Proportional to 2,698,709.12, 4,048,764.06 and 805,450.50

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Solution

The fourth proportional to 2,698,709.12, 4,048,764.06 and 805,450.50 is: 1,208,384.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698,709.12 : 4,048,764.06 = 805,450.50 : x
  2. Step 2: Convert to fraction form
    2,698,709.12/4,048,764.06 = 805,450.50/x
  3. Step 3: Cross multiply
    2,698,709.12x = 4,048,764.06 × 805,450.50
  4. Step 4: Simplify right side
    2,698,709.12x = 3,261,079,036,509.03
  5. Step 5: Solve for x
    x = 3,261,079,036,509.03/2,698,709.12
  6. Step 6: Final answer
    x = 1,208,384.78

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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.