Finding the Fourth Proportional to 4,185,326.76, 6,278,580.36 and 1,344,486.48
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Solution
The fourth proportional to 4,185,326.76, 6,278,580.36 and 1,344,486.48 is: 2,016,919.32
Step by Step Solution
- Step 1: Write the proportion equation
4,185,326.76 : 6,278,580.36 = 1,344,486.48 : x - Step 2: Convert to fraction form
4,185,326.76/6,278,580.36 = 1,344,486.48/x - Step 3: Cross multiply
4,185,326.76x = 6,278,580.36 × 1,344,486.48 - Step 4: Simplify right side
4,185,326.76x = 8,441,466,407,613.53 - Step 5: Solve for x
x = 8,441,466,407,613.53/4,185,326.76 - Step 6: Final answer
x = 2,016,919.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.