Finding the Fourth Proportional to 5,475,661.98, 8,212,865.49 and 1,432,539.96
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Solution
The fourth proportional to 5,475,661.98, 8,212,865.49 and 1,432,539.96 is: 2,148,645.78
Step by Step Solution
- Step 1: Write the proportion equation
5,475,661.98 : 8,212,865.49 = 1,432,539.96 : x - Step 2: Convert to fraction form
5,475,661.98/8,212,865.49 = 1,432,539.96/x - Step 3: Cross multiply
5,475,661.98x = 8,212,865.49 × 1,432,539.96 - Step 4: Simplify right side
5,475,661.98x = 11,765,258,000,529.98 - Step 5: Solve for x
x = 11,765,258,000,529.98/5,475,661.98 - Step 6: Final answer
x = 2,148,645.78
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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.