Home / 1,856,361-2,556,986.40-1,311,551.04

Finding the Fourth Proportional to 1,856,361, 2,556,986.40 and 1,311,551.04

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Solution

The fourth proportional to 1,856,361, 2,556,986.40 and 1,311,551.04 is: 1,806,554.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,361 : 2,556,986.40 = 1,311,551.04 : x
  2. Step 2: Convert to fraction form
    1,856,361/2,556,986.40 = 1,311,551.04/x
  3. Step 3: Cross multiply
    1,856,361x = 2,556,986.40 × 1,311,551.04
  4. Step 4: Simplify right side
    1,856,361x = 3,353,618,172,185.86
  5. Step 5: Solve for x
    x = 3,353,618,172,185.86/1,856,361
  6. Step 6: Final answer
    x = 1,806,554.96

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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.