Finding the Fourth Proportional to 1,512,470.15, 2,087,181.74 and 824,147.96
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Solution
The fourth proportional to 1,512,470.15, 2,087,181.74 and 824,147.96 is: 1,137,309.43
Step by Step Solution
- Step 1: Write the proportion equation
1,512,470.15 : 2,087,181.74 = 824,147.96 : x - Step 2: Convert to fraction form
1,512,470.15/2,087,181.74 = 824,147.96/x - Step 3: Cross multiply
1,512,470.15x = 2,087,181.74 × 824,147.96 - Step 4: Simplify right side
1,512,470.15x = 1,720,146,558,613.60 - Step 5: Solve for x
x = 1,720,146,558,613.60/1,512,470.15 - Step 6: Final answer
x = 1,137,309.43
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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.