Finding the Fourth Proportional to 4,824,321.12, 6,657,091.92 and 2,787,086.88
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Solution
The fourth proportional to 4,824,321.12, 6,657,091.92 and 2,787,086.88 is: 3,845,907.66
Step by Step Solution
- Step 1: Write the proportion equation
4,824,321.12 : 6,657,091.92 = 2,787,086.88 : x - Step 2: Convert to fraction form
4,824,321.12/6,657,091.92 = 2,787,086.88/x - Step 3: Cross multiply
4,824,321.12x = 6,657,091.92 × 2,787,086.88 - Step 4: Simplify right side
4,824,321.12x = 18,553,893,549,186.01 - Step 5: Solve for x
x = 18,553,893,549,186.01/4,824,321.12 - Step 6: Final answer
x = 3,845,907.66
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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.