Finding the Fourth Proportional to 3,879,914.27, 5,354,283.17 and 2,249,266.91
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Solution
The fourth proportional to 3,879,914.27, 5,354,283.17 and 2,249,266.91 is: 3,103,989.19
Step by Step Solution
- Step 1: Write the proportion equation
3,879,914.27 : 5,354,283.17 = 2,249,266.91 : x - Step 2: Convert to fraction form
3,879,914.27/5,354,283.17 = 2,249,266.91/x - Step 3: Cross multiply
3,879,914.27x = 5,354,283.17 × 2,249,266.91 - Step 4: Simplify right side
3,879,914.27x = 12,043,211,923,033.15 - Step 5: Solve for x
x = 12,043,211,923,033.15/3,879,914.27 - Step 6: Final answer
x = 3,103,989.19
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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.