Finding the Fourth Proportional to 6,449,365.68, 8,899,857.80 and 3,509,194.87
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Solution
The fourth proportional to 6,449,365.68, 8,899,857.80 and 3,509,194.87 is: 4,842,543.73
Step by Step Solution
- Step 1: Write the proportion equation
6,449,365.68 : 8,899,857.80 = 3,509,194.87 : x - Step 2: Convert to fraction form
6,449,365.68/8,899,857.80 = 3,509,194.87/x - Step 3: Cross multiply
6,449,365.68x = 8,899,857.80 × 3,509,194.87 - Step 4: Simplify right side
6,449,365.68x = 31,231,335,317,943.51 - Step 5: Solve for x
x = 31,231,335,317,943.51/6,449,365.68 - Step 6: Final answer
x = 4,842,543.73
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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.