Finding the Fourth Proportional to 4,236,855.12, 6,353,810.10 and 1,807,910.07
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Solution
The fourth proportional to 4,236,855.12, 6,353,810.10 and 1,807,910.07 is: 2,711,236.74
Step by Step Solution
- Step 1: Write the proportion equation
4,236,855.12 : 6,353,810.10 = 1,807,910.07 : x - Step 2: Convert to fraction form
4,236,855.12/6,353,810.10 = 1,807,910.07/x - Step 3: Cross multiply
4,236,855.12x = 6,353,810.10 × 1,807,910.07 - Step 4: Simplify right side
4,236,855.12x = 11,487,117,262,657.71 - Step 5: Solve for x
x = 11,487,117,262,657.71/4,236,855.12 - Step 6: Final answer
x = 2,711,236.74
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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.