Finding the Fourth Proportional to 2,539,054.62, 3,503,959.82 and 1,393,134.66
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Solution
The fourth proportional to 2,539,054.62, 3,503,959.82 and 1,393,134.66 is: 1,922,561.19
Step by Step Solution
- Step 1: Write the proportion equation
2,539,054.62 : 3,503,959.82 = 1,393,134.66 : x - Step 2: Convert to fraction form
2,539,054.62/3,503,959.82 = 1,393,134.66/x - Step 3: Cross multiply
2,539,054.62x = 3,503,959.82 × 1,393,134.66 - Step 4: Simplify right side
2,539,054.62x = 4,881,487,872,489.36 - Step 5: Solve for x
x = 4,881,487,872,489.36/2,539,054.62 - Step 6: Final answer
x = 1,922,561.19
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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.