Finding the Fourth Proportional to 6,185,903.76, 9,276,630.84 and 2,141,295.12
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Solution
The fourth proportional to 6,185,903.76, 9,276,630.84 and 2,141,295.12 is: 3,211,172.55
Step by Step Solution
- Step 1: Write the proportion equation
6,185,903.76 : 9,276,630.84 = 2,141,295.12 : x - Step 2: Convert to fraction form
6,185,903.76/9,276,630.84 = 2,141,295.12/x - Step 3: Cross multiply
6,185,903.76x = 9,276,630.84 × 2,141,295.12 - Step 4: Simplify right side
6,185,903.76x = 19,864,004,347,733.50 - Step 5: Solve for x
x = 19,864,004,347,733.50/6,185,903.76 - Step 6: Final answer
x = 3,211,172.55
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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.