Finding the Fourth Proportional to 1,644,484.14, 2,269,404.99 and 919,372.14
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Solution
The fourth proportional to 1,644,484.14, 2,269,404.99 and 919,372.14 is: 1,268,742.99
Step by Step Solution
- Step 1: Write the proportion equation
1,644,484.14 : 2,269,404.99 = 919,372.14 : x - Step 2: Convert to fraction form
1,644,484.14/2,269,404.99 = 919,372.14/x - Step 3: Cross multiply
1,644,484.14x = 2,269,404.99 × 919,372.14 - Step 4: Simplify right side
1,644,484.14x = 2,086,427,722,182.98 - Step 5: Solve for x
x = 2,086,427,722,182.98/1,644,484.14 - Step 6: Final answer
x = 1,268,742.99
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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.