Finding the Fourth Proportional to 2,656,505.44, 3,986,673.18 and 1,058,143.96
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Solution
The fourth proportional to 2,656,505.44, 3,986,673.18 and 1,058,143.96 is: 1,587,978.73
Step by Step Solution
- Step 1: Write the proportion equation
2,656,505.44 : 3,986,673.18 = 1,058,143.96 : x - Step 2: Convert to fraction form
2,656,505.44/3,986,673.18 = 1,058,143.96/x - Step 3: Cross multiply
2,656,505.44x = 3,986,673.18 × 1,058,143.96 - Step 4: Simplify right side
2,656,505.44x = 4,218,474,145,910.99 - Step 5: Solve for x
x = 4,218,474,145,910.99/2,656,505.44 - Step 6: Final answer
x = 1,587,978.73
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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.