Finding the Fourth Proportional to 1,974,331.50, 2,961,497.67 and 712,158.99
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Solution
The fourth proportional to 1,974,331.50, 2,961,497.67 and 712,158.99 is: 1,068,238.64
Step by Step Solution
- Step 1: Write the proportion equation
1,974,331.50 : 2,961,497.67 = 712,158.99 : x - Step 2: Convert to fraction form
1,974,331.50/2,961,497.67 = 712,158.99/x - Step 3: Cross multiply
1,974,331.50x = 2,961,497.67 × 712,158.99 - Step 4: Simplify right side
1,974,331.50x = 2,109,057,189,554.55 - Step 5: Solve for x
x = 2,109,057,189,554.55/1,974,331.50 - Step 6: Final answer
x = 1,068,238.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.