Finding the Fourth Proportional to 4,264,991.28, 6,397,817.40 and 1,425,113.46
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Solution
The fourth proportional to 4,264,991.28, 6,397,817.40 and 1,425,113.46 is: 2,137,780.62
Step by Step Solution
- Step 1: Write the proportion equation
4,264,991.28 : 6,397,817.40 = 1,425,113.46 : x - Step 2: Convert to fraction form
4,264,991.28/6,397,817.40 = 1,425,113.46/x - Step 3: Cross multiply
4,264,991.28x = 6,397,817.40 × 1,425,113.46 - Step 4: Simplify right side
4,264,991.28x = 9,117,615,691,362.21 - Step 5: Solve for x
x = 9,117,615,691,362.21/4,264,991.28 - Step 6: Final answer
x = 2,137,780.62
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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.