Finding the Fourth Proportional to 7,135,549.20, 9,845,193.60 and 4,235,587.20
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Solution
The fourth proportional to 7,135,549.20, 9,845,193.60 and 4,235,587.20 is: 5,844,003.71
Step by Step Solution
- Step 1: Write the proportion equation
7,135,549.20 : 9,845,193.60 = 4,235,587.20 : x - Step 2: Convert to fraction form
7,135,549.20/9,845,193.60 = 4,235,587.20/x - Step 3: Cross multiply
7,135,549.20x = 9,845,193.60 × 4,235,587.20 - Step 4: Simplify right side
7,135,549.20x = 41,700,175,993,681.92 - Step 5: Solve for x
x = 41,700,175,993,681.92/7,135,549.20 - Step 6: Final answer
x = 5,844,003.71
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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.