Home / 2,155,190.33-3,229,127.20-1,300,466.08

Finding the Fourth Proportional to 2,155,190.33, 3,229,127.20 and 1,300,466.08

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Solution

The fourth proportional to 2,155,190.33, 3,229,127.20 and 1,300,466.08 is: 1,948,491.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,190.33 : 3,229,127.20 = 1,300,466.08 : x
  2. Step 2: Convert to fraction form
    2,155,190.33/3,229,127.20 = 1,300,466.08/x
  3. Step 3: Cross multiply
    2,155,190.33x = 3,229,127.20 × 1,300,466.08
  4. Step 4: Simplify right side
    2,155,190.33x = 4,199,370,397,267.37
  5. Step 5: Solve for x
    x = 4,199,370,397,267.37/2,155,190.33
  6. Step 6: Final answer
    x = 1,948,491.66

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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.