Finding the Fourth Proportional to 6,901,668.36, 10,352,502.60 and 2,109,317.12
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Solution
The fourth proportional to 6,901,668.36, 10,352,502.60 and 2,109,317.12 is: 3,163,975.70
Step by Step Solution
- Step 1: Write the proportion equation
6,901,668.36 : 10,352,502.60 = 2,109,317.12 : x - Step 2: Convert to fraction form
6,901,668.36/10,352,502.60 = 2,109,317.12/x - Step 3: Cross multiply
6,901,668.36x = 10,352,502.60 × 2,109,317.12 - Step 4: Simplify right side
6,901,668.36x = 21,836,710,969,024.51 - Step 5: Solve for x
x = 21,836,710,969,024.51/6,901,668.36 - Step 6: Final answer
x = 3,163,975.70
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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.