Finding the Fourth Proportional to 6,840,968.44, 9,440,390.92 and 3,743,479.44
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Solution
The fourth proportional to 6,840,968.44, 9,440,390.92 and 3,743,479.44 is: 5,165,921.99
Step by Step Solution
- Step 1: Write the proportion equation
6,840,968.44 : 9,440,390.92 = 3,743,479.44 : x - Step 2: Convert to fraction form
6,840,968.44/9,440,390.92 = 3,743,479.44/x - Step 3: Cross multiply
6,840,968.44x = 9,440,390.92 × 3,743,479.44 - Step 4: Simplify right side
6,840,968.44x = 35,339,909,314,582.69 - Step 5: Solve for x
x = 35,339,909,314,582.69/6,840,968.44 - Step 6: Final answer
x = 5,165,921.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.