Finding the Fourth Proportional to 5,492,438.40, 8,233,742.40 and 2,125,526.40
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Solution
The fourth proportional to 5,492,438.40, 8,233,742.40 and 2,125,526.40 is: 3,186,387.46
Step by Step Solution
- Step 1: Write the proportion equation
5,492,438.40 : 8,233,742.40 = 2,125,526.40 : x - Step 2: Convert to fraction form
5,492,438.40/8,233,742.40 = 2,125,526.40/x - Step 3: Cross multiply
5,492,438.40x = 8,233,742.40 × 2,125,526.40 - Step 4: Simplify right side
5,492,438.40x = 17,501,036,841,999.36 - Step 5: Solve for x
x = 17,501,036,841,999.36/5,492,438.40 - Step 6: Final answer
x = 3,186,387.46
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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.