Finding the Fourth Proportional to 4,627,630.12, 6,381,643.14 and 3,608,663.08
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Solution
The fourth proportional to 4,627,630.12, 6,381,643.14 and 3,608,663.08 is: 4,976,456.50
Step by Step Solution
- Step 1: Write the proportion equation
4,627,630.12 : 6,381,643.14 = 3,608,663.08 : x - Step 2: Convert to fraction form
4,627,630.12/6,381,643.14 = 3,608,663.08/x - Step 3: Cross multiply
4,627,630.12x = 6,381,643.14 × 3,608,663.08 - Step 4: Simplify right side
4,627,630.12x = 23,029,199,989,053.27 - Step 5: Solve for x
x = 23,029,199,989,053.27/4,627,630.12 - Step 6: Final answer
x = 4,976,456.50
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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.