Home / 2,819,509.84-3,890,913.72-1,530,350.20

Finding the Fourth Proportional to 2,819,509.84, 3,890,913.72 and 1,530,350.20

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Solution

The fourth proportional to 2,819,509.84, 3,890,913.72 and 1,530,350.20 is: 2,111,877.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,509.84 : 3,890,913.72 = 1,530,350.20 : x
  2. Step 2: Convert to fraction form
    2,819,509.84/3,890,913.72 = 1,530,350.20/x
  3. Step 3: Cross multiply
    2,819,509.84x = 3,890,913.72 × 1,530,350.20
  4. Step 4: Simplify right side
    2,819,509.84x = 5,954,460,589,584.74
  5. Step 5: Solve for x
    x = 5,954,460,589,584.74/2,819,509.84
  6. Step 6: Final answer
    x = 2,111,877.92

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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.