Finding the Fourth Proportional to 5,475,642.92, 8,212,836.90 and 1,432,520.90
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Solution
The fourth proportional to 5,475,642.92, 8,212,836.90 and 1,432,520.90 is: 2,148,617.19
Step by Step Solution
- Step 1: Write the proportion equation
5,475,642.92 : 8,212,836.90 = 1,432,520.90 : x - Step 2: Convert to fraction form
5,475,642.92/8,212,836.90 = 1,432,520.90/x - Step 3: Cross multiply
5,475,642.92x = 8,212,836.90 × 1,432,520.90 - Step 4: Simplify right side
5,475,642.92x = 11,765,060,507,541.21 - Step 5: Solve for x
x = 11,765,060,507,541.21/5,475,642.92 - Step 6: Final answer
x = 2,148,617.19
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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.