Finding the Fourth Proportional to 2,071,187.17, 2,858,158.58 and 1,153,455.00
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Solution
The fourth proportional to 2,071,187.17, 2,858,158.58 and 1,153,455.00 is: 1,591,723.50
Step by Step Solution
- Step 1: Write the proportion equation
2,071,187.17 : 2,858,158.58 = 1,153,455.00 : x - Step 2: Convert to fraction form
2,071,187.17/2,858,158.58 = 1,153,455.00/x - Step 3: Cross multiply
2,071,187.17x = 2,858,158.58 × 1,153,455.00 - Step 4: Simplify right side
2,071,187.17x = 3,296,757,288,408.53 - Step 5: Solve for x
x = 3,296,757,288,408.53/2,071,187.17 - Step 6: Final answer
x = 1,591,723.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.