Finding the Fourth Proportional to 1,663,728.41, 2,295,946.74 and 899,781.97
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Solution
The fourth proportional to 1,663,728.41, 2,295,946.74 and 899,781.97 is: 1,241,699.95
Step by Step Solution
- Step 1: Write the proportion equation
1,663,728.41 : 2,295,946.74 = 899,781.97 : x - Step 2: Convert to fraction form
1,663,728.41/2,295,946.74 = 899,781.97/x - Step 3: Cross multiply
1,663,728.41x = 2,295,946.74 × 899,781.97 - Step 4: Simplify right side
1,663,728.41x = 2,065,851,476,233.37 - Step 5: Solve for x
x = 2,065,851,476,233.37/1,663,728.41 - Step 6: Final answer
x = 1,241,699.95
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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.