Finding the Fourth Proportional to 5,475,676.28, 8,212,886.88 and 1,432,554.24
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Solution
The fourth proportional to 5,475,676.28, 8,212,886.88 and 1,432,554.24 is: 2,148,667.18
Step by Step Solution
- Step 1: Write the proportion equation
5,475,676.28 : 8,212,886.88 = 1,432,554.24 : x - Step 2: Convert to fraction form
5,475,676.28/8,212,886.88 = 1,432,554.24/x - Step 3: Cross multiply
5,475,676.28x = 8,212,886.88 × 1,432,554.24 - Step 4: Simplify right side
5,475,676.28x = 11,765,405,922,584.37 - Step 5: Solve for x
x = 11,765,405,922,584.37/5,475,676.28 - Step 6: Final answer
x = 2,148,667.18
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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.