Finding the Fourth Proportional to 5,055,544.80, 7,567,570.80 and 3,638,368.80
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Solution
The fourth proportional to 5,055,544.80, 7,567,570.80 and 3,638,368.80 is: 5,446,220.85
Step by Step Solution
- Step 1: Write the proportion equation
5,055,544.80 : 7,567,570.80 = 3,638,368.80 : x - Step 2: Convert to fraction form
5,055,544.80/7,567,570.80 = 3,638,368.80/x - Step 3: Cross multiply
5,055,544.80x = 7,567,570.80 × 3,638,368.80 - Step 4: Simplify right side
5,055,544.80x = 27,533,613,490,511.04 - Step 5: Solve for x
x = 27,533,613,490,511.04/5,055,544.80 - Step 6: Final answer
x = 5,446,220.85
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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.