Finding the Fourth Proportional to 2,391,063.72, 3,587,370.99 and 1,431,369.87
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Solution
The fourth proportional to 2,391,063.72, 3,587,370.99 and 1,431,369.87 is: 2,147,518.99
Step by Step Solution
- Step 1: Write the proportion equation
2,391,063.72 : 3,587,370.99 = 1,431,369.87 : x - Step 2: Convert to fraction form
2,391,063.72/3,587,370.99 = 1,431,369.87/x - Step 3: Cross multiply
2,391,063.72x = 3,587,370.99 × 1,431,369.87 - Step 4: Simplify right side
2,391,063.72x = 5,134,854,747,598.07 - Step 5: Solve for x
x = 5,134,854,747,598.07/2,391,063.72 - Step 6: Final answer
x = 2,147,518.99
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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.