Finding the Fourth Proportional to 989,489.80, 1,484,234.70 and 989,489.80
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Solution
The fourth proportional to 989,489.80, 1,484,234.70 and 989,489.80 is: 1,484,234.70
Step by Step Solution
- Step 1: Write the proportion equation
989,489.80 : 1,484,234.70 = 989,489.80 : x - Step 2: Convert to fraction form
989,489.80/1,484,234.70 = 989,489.80/x - Step 3: Cross multiply
989,489.80x = 1,484,234.70 × 989,489.80 - Step 4: Simplify right side
989,489.80x = 1,468,635,096,456.06 - Step 5: Solve for x
x = 1,468,635,096,456.06/989,489.80 - Step 6: Final answer
x = 1,484,234.70
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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.