Finding the Fourth Proportional to 5,276,497.50, 7,912,728.63 and 2,879,060.58
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Solution
The fourth proportional to 5,276,497.50, 7,912,728.63 and 2,879,060.58 is: 4,317,489.98
Step by Step Solution
- Step 1: Write the proportion equation
5,276,497.50 : 7,912,728.63 = 2,879,060.58 : x - Step 2: Convert to fraction form
5,276,497.50/7,912,728.63 = 2,879,060.58/x - Step 3: Cross multiply
5,276,497.50x = 7,912,728.63 × 2,879,060.58 - Step 4: Simplify right side
5,276,497.50x = 22,781,225,078,870.41 - Step 5: Solve for x
x = 22,781,225,078,870.41/5,276,497.50 - Step 6: Final answer
x = 4,317,489.98
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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.