Finding the Fourth Proportional to 5,986,342.70, 8,980,680.45 and 2,391,497.90
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Solution
The fourth proportional to 5,986,342.70, 8,980,680.45 and 2,391,497.90 is: 3,587,712.82
Step by Step Solution
- Step 1: Write the proportion equation
5,986,342.70 : 8,980,680.45 = 2,391,497.90 : x - Step 2: Convert to fraction form
5,986,342.70/8,980,680.45 = 2,391,497.90/x - Step 3: Cross multiply
5,986,342.70x = 8,980,680.45 × 2,391,497.90 - Step 4: Simplify right side
5,986,342.70x = 21,477,278,436,746.05 - Step 5: Solve for x
x = 21,477,278,436,746.05/5,986,342.70 - Step 6: Final answer
x = 3,587,712.82
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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.