Finding the Fourth Proportional to 4,869,137.93, 6,718,203.11 and 3,148,187.63
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Solution
The fourth proportional to 4,869,137.93, 6,718,203.11 and 3,148,187.63 is: 4,343,718.38
Step by Step Solution
- Step 1: Write the proportion equation
4,869,137.93 : 6,718,203.11 = 3,148,187.63 : x - Step 2: Convert to fraction form
4,869,137.93/6,718,203.11 = 3,148,187.63/x - Step 3: Cross multiply
4,869,137.93x = 6,718,203.11 × 3,148,187.63 - Step 4: Simplify right side
4,869,137.93x = 21,150,163,901,008.98 - Step 5: Solve for x
x = 21,150,163,901,008.98/4,869,137.93 - Step 6: Final answer
x = 4,343,718.38
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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.