Home / 1,988,271.40-2,743,845.78-1,082,852.68

Finding the Fourth Proportional to 1,988,271.40, 2,743,845.78 and 1,082,852.68

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Solution

The fourth proportional to 1,988,271.40, 2,743,845.78 and 1,082,852.68 is: 1,494,353.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,271.40 : 2,743,845.78 = 1,082,852.68 : x
  2. Step 2: Convert to fraction form
    1,988,271.40/2,743,845.78 = 1,082,852.68/x
  3. Step 3: Cross multiply
    1,988,271.40x = 2,743,845.78 × 1,082,852.68
  4. Step 4: Simplify right side
    1,988,271.40x = 2,971,180,756,379.69
  5. Step 5: Solve for x
    x = 2,971,180,756,379.69/1,988,271.40
  6. Step 6: Final answer
    x = 1,494,353.72

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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.