Finding the Fourth Proportional to 1,553,912.78, 2,144,115.36 and 865,567.08
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Solution
The fourth proportional to 1,553,912.78, 2,144,115.36 and 865,567.08 is: 1,194,324.23
Step by Step Solution
- Step 1: Write the proportion equation
1,553,912.78 : 2,144,115.36 = 865,567.08 : x - Step 2: Convert to fraction form
1,553,912.78/2,144,115.36 = 865,567.08/x - Step 3: Cross multiply
1,553,912.78x = 2,144,115.36 × 865,567.08 - Step 4: Simplify right side
1,553,912.78x = 1,855,875,671,338.35 - Step 5: Solve for x
x = 1,855,875,671,338.35/1,553,912.78 - Step 6: Final answer
x = 1,194,324.23
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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.