Home / 2,150,271.66-2,967,315.21-1,220,148.80

Finding the Fourth Proportional to 2,150,271.66, 2,967,315.21 and 1,220,148.80

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Solution

The fourth proportional to 2,150,271.66, 2,967,315.21 and 1,220,148.80 is: 1,683,771.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150,271.66 : 2,967,315.21 = 1,220,148.80 : x
  2. Step 2: Convert to fraction form
    2,150,271.66/2,967,315.21 = 1,220,148.80/x
  3. Step 3: Cross multiply
    2,150,271.66x = 2,967,315.21 × 1,220,148.80
  4. Step 4: Simplify right side
    2,150,271.66x = 3,620,566,092,703.25
  5. Step 5: Solve for x
    x = 3,620,566,092,703.25/2,150,271.66
  6. Step 6: Final answer
    x = 1,683,771.48

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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.