Home / 1,856,329-2,556,942.03-1,311,518.74

Finding the Fourth Proportional to 1,856,329, 2,556,942.03 and 1,311,518.74

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Solution

The fourth proportional to 1,856,329, 2,556,942.03 and 1,311,518.74 is: 1,806,510.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,329 : 2,556,942.03 = 1,311,518.74 : x
  2. Step 2: Convert to fraction form
    1,856,329/2,556,942.03 = 1,311,518.74/x
  3. Step 3: Cross multiply
    1,856,329x = 2,556,942.03 × 1,311,518.74
  4. Step 4: Simplify right side
    1,856,329x = 3,353,477,389,438.64
  5. Step 5: Solve for x
    x = 3,353,477,389,438.64/1,856,329
  6. Step 6: Final answer
    x = 1,806,510.26

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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.