Finding the Fourth Proportional to 1,663,393.68, 2,295,481.64 and 899,445.42
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Solution
The fourth proportional to 1,663,393.68, 2,295,481.64 and 899,445.42 is: 1,241,233.79
Step by Step Solution
- Step 1: Write the proportion equation
1,663,393.68 : 2,295,481.64 = 899,445.42 : x - Step 2: Convert to fraction form
1,663,393.68/2,295,481.64 = 899,445.42/x - Step 3: Cross multiply
1,663,393.68x = 2,295,481.64 × 899,445.42 - Step 4: Simplify right side
1,663,393.68x = 2,064,660,443,294.86 - Step 5: Solve for x
x = 2,064,660,443,294.86/1,663,393.68 - Step 6: Final answer
x = 1,241,233.79
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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.