Finding the Fourth Proportional to 5,994,967.20, 8,992,450.80 and 4,483,312.80
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Solution
The fourth proportional to 5,994,967.20, 8,992,450.80 and 4,483,312.80 is: 6,724,969.20
Step by Step Solution
- Step 1: Write the proportion equation
5,994,967.20 : 8,992,450.80 = 4,483,312.80 : x - Step 2: Convert to fraction form
5,994,967.20/8,992,450.80 = 4,483,312.80/x - Step 3: Cross multiply
5,994,967.20x = 8,992,450.80 × 4,483,312.80 - Step 4: Simplify right side
5,994,967.20x = 40,315,969,775,010.24 - Step 5: Solve for x
x = 40,315,969,775,010.24/5,994,967.20 - Step 6: Final answer
x = 6,724,969.20
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1.5x scale
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.