Finding the Fourth Proportional to 1,681,560.14, 2,320,602.01 and 917,662.91
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Solution
The fourth proportional to 1,681,560.14, 2,320,602.01 and 917,662.91 is: 1,266,401.56
Step by Step Solution
- Step 1: Write the proportion equation
1,681,560.14 : 2,320,602.01 = 917,662.91 : x - Step 2: Convert to fraction form
1,681,560.14/2,320,602.01 = 917,662.91/x - Step 3: Cross multiply
1,681,560.14x = 2,320,602.01 × 917,662.91 - Step 4: Simplify right side
1,681,560.14x = 2,129,530,379,551.28 - Step 5: Solve for x
x = 2,129,530,379,551.28/1,681,560.14 - Step 6: Final answer
x = 1,266,401.56
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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.