Finding the Fourth Proportional to 6,473,769.75, 8,933,802.26 and 3,612,201.75
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Solution
The fourth proportional to 6,473,769.75, 8,933,802.26 and 3,612,201.75 is: 4,984,838.42
Step by Step Solution
- Step 1: Write the proportion equation
6,473,769.75 : 8,933,802.26 = 3,612,201.75 : x - Step 2: Convert to fraction form
6,473,769.75/8,933,802.26 = 3,612,201.75/x - Step 3: Cross multiply
6,473,769.75x = 8,933,802.26 × 3,612,201.75 - Step 4: Simplify right side
6,473,769.75x = 32,270,696,139,664.95 - Step 5: Solve for x
x = 32,270,696,139,664.95/6,473,769.75 - Step 6: Final answer
x = 4,984,838.42
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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.