Finding the Fourth Proportional to 1,406,685.21, 2,107,490.88 and 866,000.49
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Solution
The fourth proportional to 1,406,685.21, 2,107,490.88 and 866,000.49 is: 1,297,438.92
Step by Step Solution
- Step 1: Write the proportion equation
1,406,685.21 : 2,107,490.88 = 866,000.49 : x - Step 2: Convert to fraction form
1,406,685.21/2,107,490.88 = 866,000.49/x - Step 3: Cross multiply
1,406,685.21x = 2,107,490.88 × 866,000.49 - Step 4: Simplify right side
1,406,685.21x = 1,825,088,134,750.53 - Step 5: Solve for x
x = 1,825,088,134,750.53/1,406,685.21 - Step 6: Final answer
x = 1,297,438.92
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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.