Home / 1,928,213.60-2,890,352.10-1,129,083.80

Finding the Fourth Proportional to 1,928,213.60, 2,890,352.10 and 1,129,083.80

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Solution

The fourth proportional to 1,928,213.60, 2,890,352.10 and 1,129,083.80 is: 1,692,473.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,213.60 : 2,890,352.10 = 1,129,083.80 : x
  2. Step 2: Convert to fraction form
    1,928,213.60/2,890,352.10 = 1,129,083.80/x
  3. Step 3: Cross multiply
    1,928,213.60x = 2,890,352.10 × 1,129,083.80
  4. Step 4: Simplify right side
    1,928,213.60x = 3,263,449,732,405.98
  5. Step 5: Solve for x
    x = 3,263,449,732,405.98/1,928,213.60
  6. Step 6: Final answer
    x = 1,692,473.14

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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.