Finding the Fourth Proportional to 1,823,085.90, 2,515,920.75 and 1,144,396.62
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Solution
The fourth proportional to 1,823,085.90, 2,515,920.75 and 1,144,396.62 is: 1,579,306.39
Step by Step Solution
- Step 1: Write the proportion equation
1,823,085.90 : 2,515,920.75 = 1,144,396.62 : x - Step 2: Convert to fraction form
1,823,085.90/2,515,920.75 = 1,144,396.62/x - Step 3: Cross multiply
1,823,085.90x = 2,515,920.75 × 1,144,396.62 - Step 4: Simplify right side
1,823,085.90x = 2,879,211,202,487.87 - Step 5: Solve for x
x = 2,879,211,202,487.87/1,823,085.90 - Step 6: Final answer
x = 1,579,306.39
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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.