Finding the Fourth Proportional to 7,672,879.71, 10,588,574.88 and 4,235,121.63
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Solution
The fourth proportional to 7,672,879.71, 10,588,574.88 and 4,235,121.63 is: 5,844,468.34
Step by Step Solution
- Step 1: Write the proportion equation
7,672,879.71 : 10,588,574.88 = 4,235,121.63 : x - Step 2: Convert to fraction form
7,672,879.71/10,588,574.88 = 4,235,121.63/x - Step 3: Cross multiply
7,672,879.71x = 10,588,574.88 × 4,235,121.63 - Step 4: Simplify right side
7,672,879.71x = 44,843,902,505,162.66 - Step 5: Solve for x
x = 44,843,902,505,162.66/7,672,879.71 - Step 6: Final answer
x = 5,844,468.34
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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.