Home / 2,050,145.28-2,828,450.88-1,285,920

Finding the Fourth Proportional to 2,050,145.28, 2,828,450.88 and 1,285,920

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Solution

The fourth proportional to 2,050,145.28, 2,828,450.88 and 1,285,920 is: 1,774,099.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,050,145.28 : 2,828,450.88 = 1,285,920 : x
  2. Step 2: Convert to fraction form
    2,050,145.28/2,828,450.88 = 1,285,920/x
  3. Step 3: Cross multiply
    2,050,145.28x = 2,828,450.88 × 1,285,920
  4. Step 4: Simplify right side
    2,050,145.28x = 3,637,161,555,609.60
  5. Step 5: Solve for x
    x = 3,637,161,555,609.60/2,050,145.28
  6. Step 6: Final answer
    x = 1,774,099.42

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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.