Home / 1,988,440.24-2,743,109.40-1,344,085.36

Finding the Fourth Proportional to 1,988,440.24, 2,743,109.40 and 1,344,085.36

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Solution

The fourth proportional to 1,988,440.24, 2,743,109.40 and 1,344,085.36 is: 1,854,203.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,440.24 : 2,743,109.40 = 1,344,085.36 : x
  2. Step 2: Convert to fraction form
    1,988,440.24/2,743,109.40 = 1,344,085.36/x
  3. Step 3: Cross multiply
    1,988,440.24x = 2,743,109.40 × 1,344,085.36
  4. Step 4: Simplify right side
    1,988,440.24x = 3,686,973,185,418.38
  5. Step 5: Solve for x
    x = 3,686,973,185,418.38/1,988,440.24
  6. Step 6: Final answer
    x = 1,854,203.67

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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.