Finding the Fourth Proportional to 5,475,639.30, 8,212,831.45 and 1,432,517.28
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Solution
The fourth proportional to 5,475,639.30, 8,212,831.45 and 1,432,517.28 is: 2,148,611.76
Step by Step Solution
- Step 1: Write the proportion equation
5,475,639.30 : 8,212,831.45 = 1,432,517.28 : x - Step 2: Convert to fraction form
5,475,639.30/8,212,831.45 = 1,432,517.28/x - Step 3: Cross multiply
5,475,639.30x = 8,212,831.45 × 1,432,517.28 - Step 4: Simplify right side
5,475,639.30x = 11,765,022,966,271.16 - Step 5: Solve for x
x = 11,765,022,966,271.16/5,475,639.30 - Step 6: Final answer
x = 2,148,611.76
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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.