Finding the Fourth Proportional to 4,389,968.80, 6,581,842.80 and 1,994,960.80
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Solution
The fourth proportional to 4,389,968.80, 6,581,842.80 and 1,994,960.80 is: 2,991,027.72
Step by Step Solution
- Step 1: Write the proportion equation
4,389,968.80 : 6,581,842.80 = 1,994,960.80 : x - Step 2: Convert to fraction form
4,389,968.80/6,581,842.80 = 1,994,960.80/x - Step 3: Cross multiply
4,389,968.80x = 6,581,842.80 × 1,994,960.80 - Step 4: Simplify right side
4,389,968.80x = 13,130,518,377,762.24 - Step 5: Solve for x
x = 13,130,518,377,762.24/4,389,968.80 - Step 6: Final answer
x = 2,991,027.72
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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.