Finding the Fourth Proportional to 6,343,750.96, 8,754,382.79 and 3,443,142.44
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Solution
The fourth proportional to 6,343,750.96, 8,754,382.79 and 3,443,142.44 is: 4,751,540.08
Step by Step Solution
- Step 1: Write the proportion equation
6,343,750.96 : 8,754,382.79 = 3,443,142.44 : x - Step 2: Convert to fraction form
6,343,750.96/8,754,382.79 = 3,443,142.44/x - Step 3: Cross multiply
6,343,750.96x = 8,754,382.79 × 3,443,142.44 - Step 4: Simplify right side
6,343,750.96x = 30,142,586,920,254.61 - Step 5: Solve for x
x = 30,142,586,920,254.61/6,343,750.96 - Step 6: Final answer
x = 4,751,540.08
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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.