Finding the Fourth Proportional to 5,474,649.30, 8,212,441.04 and 1,431,130.61
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Solution
The fourth proportional to 5,474,649.30, 8,212,441.04 and 1,431,130.61 is: 2,146,818.02
Step by Step Solution
- Step 1: Write the proportion equation
5,474,649.30 : 8,212,441.04 = 1,431,130.61 : x - Step 2: Convert to fraction form
5,474,649.30/8,212,441.04 = 1,431,130.61/x - Step 3: Cross multiply
5,474,649.30x = 8,212,441.04 × 1,431,130.61 - Step 4: Simplify right side
5,474,649.30x = 11,753,075,748,008.58 - Step 5: Solve for x
x = 11,753,075,748,008.58/5,474,649.30 - Step 6: Final answer
x = 2,146,818.02
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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.