Home / 2,885,441.40-3,981,193.74-1,865,619

Finding the Fourth Proportional to 2,885,441.40, 3,981,193.74 and 1,865,619

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Solution

The fourth proportional to 2,885,441.40, 3,981,193.74 and 1,865,619 is: 2,574,091.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885,441.40 : 3,981,193.74 = 1,865,619 : x
  2. Step 2: Convert to fraction form
    2,885,441.40/3,981,193.74 = 1,865,619/x
  3. Step 3: Cross multiply
    2,885,441.40x = 3,981,193.74 × 1,865,619
  4. Step 4: Simplify right side
    2,885,441.40x = 7,427,390,684,025.06
  5. Step 5: Solve for x
    x = 7,427,390,684,025.06/2,885,441.40
  6. Step 6: Final answer
    x = 2,574,091.67

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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.