Finding the Fourth Proportional to 4,986,187.26, 7,479,280.44 and 1,199,670.18
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Solution
The fourth proportional to 4,986,187.26, 7,479,280.44 and 1,199,670.18 is: 1,799,505.16
Step by Step Solution
- Step 1: Write the proportion equation
4,986,187.26 : 7,479,280.44 = 1,199,670.18 : x - Step 2: Convert to fraction form
4,986,187.26/7,479,280.44 = 1,199,670.18/x - Step 3: Cross multiply
4,986,187.26x = 7,479,280.44 × 1,199,670.18 - Step 4: Simplify right side
4,986,187.26x = 8,972,669,711,725.28 - Step 5: Solve for x
x = 8,972,669,711,725.28/4,986,187.26 - Step 6: Final answer
x = 1,799,505.16
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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.