Finding the Fourth Proportional to 3,355,623.99, 5,029,531.52 and 1,917,314.96
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Solution
The fourth proportional to 3,355,623.99, 5,029,531.52 and 1,917,314.96 is: 2,873,741.52
Step by Step Solution
- Step 1: Write the proportion equation
3,355,623.99 : 5,029,531.52 = 1,917,314.96 : x - Step 2: Convert to fraction form
3,355,623.99/5,029,531.52 = 1,917,314.96/x - Step 3: Cross multiply
3,355,623.99x = 5,029,531.52 × 1,917,314.96 - Step 4: Simplify right side
3,355,623.99x = 9,643,195,990,353.31 - Step 5: Solve for x
x = 9,643,195,990,353.31/3,355,623.99 - Step 6: Final answer
x = 2,873,741.52
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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.