Finding the Fourth Proportional to 6,402,636.99, 9,603,971.89 and 2,616,119.86
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Solution
The fourth proportional to 6,402,636.99, 9,603,971.89 and 2,616,119.86 is: 3,924,186.49
Step by Step Solution
- Step 1: Write the proportion equation
6,402,636.99 : 9,603,971.89 = 2,616,119.86 : x - Step 2: Convert to fraction form
6,402,636.99/9,603,971.89 = 2,616,119.86/x - Step 3: Cross multiply
6,402,636.99x = 9,603,971.89 × 2,616,119.86 - Step 4: Simplify right side
6,402,636.99x = 25,125,141,596,310.73 - Step 5: Solve for x
x = 25,125,141,596,310.73/6,402,636.99 - Step 6: Final answer
x = 3,924,186.49
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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.