Home / 2,819,485.44-3,890,828.16-1,530,328.32

Finding the Fourth Proportional to 2,819,485.44, 3,890,828.16 and 1,530,328.32

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Solution

The fourth proportional to 2,819,485.44, 3,890,828.16 and 1,530,328.32 is: 2,111,819.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,485.44 : 3,890,828.16 = 1,530,328.32 : x
  2. Step 2: Convert to fraction form
    2,819,485.44/3,890,828.16 = 1,530,328.32/x
  3. Step 3: Cross multiply
    2,819,485.44x = 3,890,828.16 × 1,530,328.32
  4. Step 4: Simplify right side
    2,819,485.44x = 5,954,244,521,501.49
  5. Step 5: Solve for x
    x = 5,954,244,521,501.49/2,819,485.44
  6. Step 6: Final answer
    x = 2,111,819.57

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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.