Home / 2,156,628.80-3,237,605.60-1,357,908.80

Finding the Fourth Proportional to 2,156,628.80, 3,237,605.60 and 1,357,908.80

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Solution

The fourth proportional to 2,156,628.80, 3,237,605.60 and 1,357,908.80 is: 2,038,539.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,628.80 : 3,237,605.60 = 1,357,908.80 : x
  2. Step 2: Convert to fraction form
    2,156,628.80/3,237,605.60 = 1,357,908.80/x
  3. Step 3: Cross multiply
    2,156,628.80x = 3,237,605.60 × 1,357,908.80
  4. Step 4: Simplify right side
    2,156,628.80x = 4,396,373,135,169.28
  5. Step 5: Solve for x
    x = 4,396,373,135,169.28/2,156,628.80
  6. Step 6: Final answer
    x = 2,038,539.56

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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.