Finding the Fourth Proportional to 3,528,601.88, 5,290,771.79 and 1,582,974.18
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Solution
The fourth proportional to 3,528,601.88, 5,290,771.79 and 1,582,974.18 is: 2,373,505.26
Step by Step Solution
- Step 1: Write the proportion equation
3,528,601.88 : 5,290,771.79 = 1,582,974.18 : x - Step 2: Convert to fraction form
3,528,601.88/5,290,771.79 = 1,582,974.18/x - Step 3: Cross multiply
3,528,601.88x = 5,290,771.79 × 1,582,974.18 - Step 4: Simplify right side
3,528,601.88x = 8,375,155,127,927.51 - Step 5: Solve for x
x = 8,375,155,127,927.51/3,528,601.88 - Step 6: Final answer
x = 2,373,505.26
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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.