Finding the Fourth Proportional to 2,137,926.96, 3,207,040.12 and 858,534.40
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Solution
The fourth proportional to 2,137,926.96, 3,207,040.12 and 858,534.40 is: 1,287,861.71
Step by Step Solution
- Step 1: Write the proportion equation
2,137,926.96 : 3,207,040.12 = 858,534.40 : x - Step 2: Convert to fraction form
2,137,926.96/3,207,040.12 = 858,534.40/x - Step 3: Cross multiply
2,137,926.96x = 3,207,040.12 × 858,534.40 - Step 4: Simplify right side
2,137,926.96x = 2,753,354,265,200.13 - Step 5: Solve for x
x = 2,753,354,265,200.13/2,137,926.96 - Step 6: Final answer
x = 1,287,861.71
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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.