Finding the Fourth Proportional to 4,860,605.80, 7,276,911.90 and 2,971,037.80
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Solution
The fourth proportional to 4,860,605.80, 7,276,911.90 and 2,971,037.80 is: 4,448,001.18
Step by Step Solution
- Step 1: Write the proportion equation
4,860,605.80 : 7,276,911.90 = 2,971,037.80 : x - Step 2: Convert to fraction form
4,860,605.80/7,276,911.90 = 2,971,037.80/x - Step 3: Cross multiply
4,860,605.80x = 7,276,911.90 × 2,971,037.80 - Step 4: Simplify right side
4,860,605.80x = 21,619,980,322,169.82 - Step 5: Solve for x
x = 21,619,980,322,169.82/4,860,605.80 - Step 6: Final answer
x = 4,448,001.18
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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.