Finding the Fourth Proportional to 6,915,321.98, 10,374,149.37 and 2,873,979.26
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Solution
The fourth proportional to 6,915,321.98, 10,374,149.37 and 2,873,979.26 is: 4,311,453.64
Step by Step Solution
- Step 1: Write the proportion equation
6,915,321.98 : 10,374,149.37 = 2,873,979.26 : x - Step 2: Convert to fraction form
6,915,321.98/10,374,149.37 = 2,873,979.26/x - Step 3: Cross multiply
6,915,321.98x = 10,374,149.37 × 2,873,979.26 - Step 4: Simplify right side
6,915,321.98x = 29,815,090,129,522.06 - Step 5: Solve for x
x = 29,815,090,129,522.06/6,915,321.98 - Step 6: Final answer
x = 4,311,453.64
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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.