Finding the Fourth Proportional to 1,551,442.36, 2,141,185.44 and 872,374
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Solution
The fourth proportional to 1,551,442.36, 2,141,185.44 and 872,374 is: 1,203,985.76
Step by Step Solution
- Step 1: Write the proportion equation
1,551,442.36 : 2,141,185.44 = 872,374 : x - Step 2: Convert to fraction form
1,551,442.36/2,141,185.44 = 872,374/x - Step 3: Cross multiply
1,551,442.36x = 2,141,185.44 × 872,374 - Step 4: Simplify right side
1,551,442.36x = 1,867,914,507,034.56 - Step 5: Solve for x
x = 1,867,914,507,034.56/1,551,442.36 - Step 6: Final answer
x = 1,203,985.76
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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.