Finding the Fourth Proportional to 4,518,405.18, 6,777,610.20 and 2,836,689.66
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Solution
The fourth proportional to 4,518,405.18, 6,777,610.20 and 2,836,689.66 is: 4,255,036.02
Step by Step Solution
- Step 1: Write the proportion equation
4,518,405.18 : 6,777,610.20 = 2,836,689.66 : x - Step 2: Convert to fraction form
4,518,405.18/6,777,610.20 = 2,836,689.66/x - Step 3: Cross multiply
4,518,405.18x = 6,777,610.20 × 2,836,689.66 - Step 4: Simplify right side
4,518,405.18x = 19,225,976,773,850.54 - Step 5: Solve for x
x = 19,225,976,773,850.54/4,518,405.18 - Step 6: Final answer
x = 4,255,036.02
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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.