Finding the Fourth Proportional to 1,512,907.16, 2,087,784.51 and 824,585.36
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Solution
The fourth proportional to 1,512,907.16, 2,087,784.51 and 824,585.36 is: 1,137,912.88
Step by Step Solution
- Step 1: Write the proportion equation
1,512,907.16 : 2,087,784.51 = 824,585.36 : x - Step 2: Convert to fraction form
1,512,907.16/2,087,784.51 = 824,585.36/x - Step 3: Cross multiply
1,512,907.16x = 2,087,784.51 × 824,585.36 - Step 4: Simplify right side
1,512,907.16x = 1,721,556,541,780.77 - Step 5: Solve for x
x = 1,721,556,541,780.77/1,512,907.16 - Step 6: Final answer
x = 1,137,912.88
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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.