Finding the Fourth Proportional to 4,207,788.07, 5,804,054.87 and 2,918,157.91
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Solution
The fourth proportional to 4,207,788.07, 5,804,054.87 and 2,918,157.91 is: 4,025,190.51
Step by Step Solution
- Step 1: Write the proportion equation
4,207,788.07 : 5,804,054.87 = 2,918,157.91 : x - Step 2: Convert to fraction form
4,207,788.07/5,804,054.87 = 2,918,157.91/x - Step 3: Cross multiply
4,207,788.07x = 5,804,054.87 × 2,918,157.91 - Step 4: Simplify right side
4,207,788.07x = 16,937,148,599,863.60 - Step 5: Solve for x
x = 16,937,148,599,863.60/4,207,788.07 - Step 6: Final answer
x = 4,025,190.51
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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.