Finding the Fourth Proportional to 5,185,133.37, 7,154,415.75 and 2,979,570.18
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Solution
The fourth proportional to 5,185,133.37, 7,154,415.75 and 2,979,570.18 is: 4,111,192.96
Step by Step Solution
- Step 1: Write the proportion equation
5,185,133.37 : 7,154,415.75 = 2,979,570.18 : x - Step 2: Convert to fraction form
5,185,133.37/7,154,415.75 = 2,979,570.18/x - Step 3: Cross multiply
5,185,133.37x = 7,154,415.75 × 2,979,570.18 - Step 4: Simplify right side
5,185,133.37x = 21,317,083,824,022.34 - Step 5: Solve for x
x = 21,317,083,824,022.34/5,185,133.37 - Step 6: Final answer
x = 4,111,192.96
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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.