Home / 2,819,619.45-3,890,970.47-1,530,432.36

Finding the Fourth Proportional to 2,819,619.45, 3,890,970.47 and 1,530,432.36

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Solution

The fourth proportional to 2,819,619.45, 3,890,970.47 and 1,530,432.36 is: 2,111,940.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,619.45 : 3,890,970.47 = 1,530,432.36 : x
  2. Step 2: Convert to fraction form
    2,819,619.45/3,890,970.47 = 1,530,432.36/x
  3. Step 3: Cross multiply
    2,819,619.45x = 3,890,970.47 × 1,530,432.36
  4. Step 4: Simplify right side
    2,819,619.45x = 5,954,867,122,918.49
  5. Step 5: Solve for x
    x = 5,954,867,122,918.49/2,819,619.45
  6. Step 6: Final answer
    x = 2,111,940.01

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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.