Finding the Fourth Proportional to 5,479,829.94, 8,218,782.62 and 1,693,345.62
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Solution
The fourth proportional to 5,479,829.94, 8,218,782.62 and 1,693,345.62 is: 2,539,721.07
Step by Step Solution
- Step 1: Write the proportion equation
5,479,829.94 : 8,218,782.62 = 1,693,345.62 : x - Step 2: Convert to fraction form
5,479,829.94/8,218,782.62 = 1,693,345.62/x - Step 3: Cross multiply
5,479,829.94x = 8,218,782.62 × 1,693,345.62 - Step 4: Simplify right side
5,479,829.94x = 13,917,239,551,309.12 - Step 5: Solve for x
x = 13,917,239,551,309.12/5,479,829.94 - Step 6: Final answer
x = 2,539,721.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.