Finding the Fourth Proportional to 4,767,380.49, 6,578,561.77 and 2,645,719.09
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Solution
The fourth proportional to 4,767,380.49, 6,578,561.77 and 2,645,719.09 is: 3,650,857.42
Step by Step Solution
- Step 1: Write the proportion equation
4,767,380.49 : 6,578,561.77 = 2,645,719.09 : x - Step 2: Convert to fraction form
4,767,380.49/6,578,561.77 = 2,645,719.09/x - Step 3: Cross multiply
4,767,380.49x = 6,578,561.77 × 2,645,719.09 - Step 4: Simplify right side
4,767,380.49x = 17,405,026,459,633.19 - Step 5: Solve for x
x = 17,405,026,459,633.19/4,767,380.49 - Step 6: Final answer
x = 3,650,857.42
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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.