Finding the Fourth Proportional to 1,543,621.67, 2,317,553.41 and 785,972.25
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Solution
The fourth proportional to 1,543,621.67, 2,317,553.41 and 785,972.25 is: 1,180,038.28
Step by Step Solution
- Step 1: Write the proportion equation
1,543,621.67 : 2,317,553.41 = 785,972.25 : x - Step 2: Convert to fraction form
1,543,621.67/2,317,553.41 = 785,972.25/x - Step 3: Cross multiply
1,543,621.67x = 2,317,553.41 × 785,972.25 - Step 4: Simplify right side
1,543,621.67x = 1,821,532,666,187.94 - Step 5: Solve for x
x = 1,821,532,666,187.94/1,543,621.67 - Step 6: Final answer
x = 1,180,038.28
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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.