Finding the Fourth Proportional to 3,268,236.79, 4,509,987.88 and 1,798,117.62
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Solution
The fourth proportional to 3,268,236.79, 4,509,987.88 and 1,798,117.62 is: 2,481,303.89
Step by Step Solution
- Step 1: Write the proportion equation
3,268,236.79 : 4,509,987.88 = 1,798,117.62 : x - Step 2: Convert to fraction form
3,268,236.79/4,509,987.88 = 1,798,117.62/x - Step 3: Cross multiply
3,268,236.79x = 4,509,987.88 × 1,798,117.62 - Step 4: Simplify right side
3,268,236.79x = 8,109,488,673,014.45 - Step 5: Solve for x
x = 8,109,488,673,014.45/3,268,236.79 - Step 6: Final answer
x = 2,481,303.89
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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.