Finding the Fourth Proportional to 5,629,144.19, 8,443,718.71 and 1,369,286.15
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Solution
The fourth proportional to 5,629,144.19, 8,443,718.71 and 1,369,286.15 is: 2,053,929.81
Step by Step Solution
- Step 1: Write the proportion equation
5,629,144.19 : 8,443,718.71 = 1,369,286.15 : x - Step 2: Convert to fraction form
5,629,144.19/8,443,718.71 = 1,369,286.15/x - Step 3: Cross multiply
5,629,144.19x = 8,443,718.71 × 1,369,286.15 - Step 4: Simplify right side
5,629,144.19x = 11,561,867,038,457.06 - Step 5: Solve for x
x = 11,561,867,038,457.06/5,629,144.19 - Step 6: Final answer
x = 2,053,929.81
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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.