Finding the Fourth Proportional to 1,477,207.80, 2,215,884.60 and 768,619.80
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Solution
The fourth proportional to 1,477,207.80, 2,215,884.60 and 768,619.80 is: 1,152,967.63
Step by Step Solution
- Step 1: Write the proportion equation
1,477,207.80 : 2,215,884.60 = 768,619.80 : x - Step 2: Convert to fraction form
1,477,207.80/2,215,884.60 = 768,619.80/x - Step 3: Cross multiply
1,477,207.80x = 2,215,884.60 × 768,619.80 - Step 4: Simplify right side
1,477,207.80x = 1,703,172,778,075.08 - Step 5: Solve for x
x = 1,703,172,778,075.08/1,477,207.80 - Step 6: Final answer
x = 1,152,967.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.