Finding the Fourth Proportional to 2,008,921.36, 2,772,331.84 and 1,091,159.36
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Solution
The fourth proportional to 2,008,921.36, 2,772,331.84 and 1,091,159.36 is: 1,505,810.98
Step by Step Solution
- Step 1: Write the proportion equation
2,008,921.36 : 2,772,331.84 = 1,091,159.36 : x - Step 2: Convert to fraction form
2,008,921.36/2,772,331.84 = 1,091,159.36/x - Step 3: Cross multiply
2,008,921.36x = 2,772,331.84 × 1,091,159.36 - Step 4: Simplify right side
2,008,921.36x = 3,025,055,836,242.02 - Step 5: Solve for x
x = 3,025,055,836,242.02/2,008,921.36 - Step 6: Final answer
x = 1,505,810.98
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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.