Finding the Fourth Proportional to 2,115,599.09, 2,918,805.77 and 1,352,093.09
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Solution
The fourth proportional to 2,115,599.09, 2,918,805.77 and 1,352,093.09 is: 1,865,427.68
Step by Step Solution
- Step 1: Write the proportion equation
2,115,599.09 : 2,918,805.77 = 1,352,093.09 : x - Step 2: Convert to fraction form
2,115,599.09/2,918,805.77 = 1,352,093.09/x - Step 3: Cross multiply
2,115,599.09x = 2,918,805.77 × 1,352,093.09 - Step 4: Simplify right side
2,115,599.09x = 3,946,497,101,455.33 - Step 5: Solve for x
x = 3,946,497,101,455.33/2,115,599.09 - Step 6: Final answer
x = 1,865,427.68
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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.