Finding the Fourth Proportional to 1,378,824.05, 1,902,892.14 and 767,092.07
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Solution
The fourth proportional to 1,378,824.05, 1,902,892.14 and 767,092.07 is: 1,058,651.01
Step by Step Solution
- Step 1: Write the proportion equation
1,378,824.05 : 1,902,892.14 = 767,092.07 : x - Step 2: Convert to fraction form
1,378,824.05/1,902,892.14 = 767,092.07/x - Step 3: Cross multiply
1,378,824.05x = 1,902,892.14 × 767,092.07 - Step 4: Simplify right side
1,378,824.05x = 1,459,693,461,144.87 - Step 5: Solve for x
x = 1,459,693,461,144.87/1,378,824.05 - Step 6: Final answer
x = 1,058,651.01
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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.