Finding the Fourth Proportional to 5,839,441.49, 7,999,901.80 and 5,621,114.19
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Solution
The fourth proportional to 5,839,441.49, 7,999,901.80 and 5,621,114.19 is: 7,700,798.37
Step by Step Solution
- Step 1: Write the proportion equation
5,839,441.49 : 7,999,901.80 = 5,621,114.19 : x - Step 2: Convert to fraction form
5,839,441.49/7,999,901.80 = 5,621,114.19/x - Step 3: Cross multiply
5,839,441.49x = 7,999,901.80 × 5,621,114.19 - Step 4: Simplify right side
5,839,441.49x = 44,968,361,526,586.55 - Step 5: Solve for x
x = 44,968,361,526,586.55/5,839,441.49 - Step 6: Final answer
x = 7,700,798.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.