Finding the Fourth Proportional to 1,512,425.58, 2,087,122.79 and 824,106.62
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Solution
The fourth proportional to 1,512,425.58, 2,087,122.79 and 824,106.62 is: 1,137,253.77
Step by Step Solution
- Step 1: Write the proportion equation
1,512,425.58 : 2,087,122.79 = 824,106.62 : x - Step 2: Convert to fraction form
1,512,425.58/2,087,122.79 = 824,106.62/x - Step 3: Cross multiply
1,512,425.58x = 2,087,122.79 × 824,106.62 - Step 4: Simplify right side
1,512,425.58x = 1,720,011,693,435.72 - Step 5: Solve for x
x = 1,720,011,693,435.72/1,512,425.58 - Step 6: Final answer
x = 1,137,253.77
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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.