Finding the Fourth Proportional to 5,475,643.94, 8,212,838.37 and 1,432,521.92
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Solution
The fourth proportional to 5,475,643.94, 8,212,838.37 and 1,432,521.92 is: 2,148,618.70
Step by Step Solution
- Step 1: Write the proportion equation
5,475,643.94 : 8,212,838.37 = 1,432,521.92 : x - Step 2: Convert to fraction form
5,475,643.94/8,212,838.37 = 1,432,521.92/x - Step 3: Cross multiply
5,475,643.94x = 8,212,838.37 × 1,432,521.92 - Step 4: Simplify right side
5,475,643.94x = 11,765,070,990,442.07 - Step 5: Solve for x
x = 11,765,070,990,442.07/5,475,643.94 - Step 6: Final answer
x = 2,148,618.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.