Finding the Fourth Proportional to 1,877,728.84, 2,591,220.18 and 1,072,861
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Solution
The fourth proportional to 1,877,728.84, 2,591,220.18 and 1,072,861 is: 1,480,522.11
Step by Step Solution
- Step 1: Write the proportion equation
1,877,728.84 : 2,591,220.18 = 1,072,861 : x - Step 2: Convert to fraction form
1,877,728.84/2,591,220.18 = 1,072,861/x - Step 3: Cross multiply
1,877,728.84x = 2,591,220.18 × 1,072,861 - Step 4: Simplify right side
1,877,728.84x = 2,780,019,073,534.98 - Step 5: Solve for x
x = 2,780,019,073,534.98/1,877,728.84 - Step 6: Final answer
x = 1,480,522.11
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.