Home / 1,586,571.91-2,191,271.94-1,069,433.89

Finding the Fourth Proportional to 1,586,571.91, 2,191,271.94 and 1,069,433.89

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Solution

The fourth proportional to 1,586,571.91, 2,191,271.94 and 1,069,433.89 is: 1,477,033.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,571.91 : 2,191,271.94 = 1,069,433.89 : x
  2. Step 2: Convert to fraction form
    1,586,571.91/2,191,271.94 = 1,069,433.89/x
  3. Step 3: Cross multiply
    1,586,571.91x = 2,191,271.94 × 1,069,433.89
  4. Step 4: Simplify right side
    1,586,571.91x = 2,343,420,469,363.87
  5. Step 5: Solve for x
    x = 2,343,420,469,363.87/1,586,571.91
  6. Step 6: Final answer
    x = 1,477,033.89

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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.