Finding the Fourth Proportional to 1,791,997.80, 2,472,955.88 and 987,181.80
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Solution
The fourth proportional to 1,791,997.80, 2,472,955.88 and 987,181.80 is: 1,362,310.28
Step by Step Solution
- Step 1: Write the proportion equation
1,791,997.80 : 2,472,955.88 = 987,181.80 : x - Step 2: Convert to fraction form
1,791,997.80/2,472,955.88 = 987,181.80/x - Step 3: Cross multiply
1,791,997.80x = 2,472,955.88 × 987,181.80 - Step 4: Simplify right side
1,791,997.80x = 2,441,257,032,003.08 - Step 5: Solve for x
x = 2,441,257,032,003.08/1,791,997.80 - Step 6: Final answer
x = 1,362,310.28
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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.