Home / 3,105,585.38-4,285,266.80-1,728,737.94

Finding the Fourth Proportional to 3,105,585.38, 4,285,266.80 and 1,728,737.94

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Solution

The fourth proportional to 3,105,585.38, 4,285,266.80 and 1,728,737.94 is: 2,385,412.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,585.38 : 4,285,266.80 = 1,728,737.94 : x
  2. Step 2: Convert to fraction form
    3,105,585.38/4,285,266.80 = 1,728,737.94/x
  3. Step 3: Cross multiply
    3,105,585.38x = 4,285,266.80 × 1,728,737.94
  4. Step 4: Simplify right side
    3,105,585.38x = 7,408,103,300,182.39
  5. Step 5: Solve for x
    x = 7,408,103,300,182.39/3,105,585.38
  6. Step 6: Final answer
    x = 2,385,412.86

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1.5x scale

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.