Home / 2,195,370.40-3,286,604.40-1,636,880.80

Finding the Fourth Proportional to 2,195,370.40, 3,286,604.40 and 1,636,880.80

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Solution

The fourth proportional to 2,195,370.40, 3,286,604.40 and 1,636,880.80 is: 2,450,511.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195,370.40 : 3,286,604.40 = 1,636,880.80 : x
  2. Step 2: Convert to fraction form
    2,195,370.40/3,286,604.40 = 1,636,880.80/x
  3. Step 3: Cross multiply
    2,195,370.40x = 3,286,604.40 × 1,636,880.80
  4. Step 4: Simplify right side
    2,195,370.40x = 5,379,779,639,555.52
  5. Step 5: Solve for x
    x = 5,379,779,639,555.52/2,195,370.40
  6. Step 6: Final answer
    x = 2,450,511.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.