Finding the Fourth Proportional to 1,452,331.40, 2,173,313.10 and 920,107.40
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Solution
The fourth proportional to 1,452,331.40, 2,173,313.10 and 920,107.40 is: 1,376,876.84
Step by Step Solution
- Step 1: Write the proportion equation
1,452,331.40 : 2,173,313.10 = 920,107.40 : x - Step 2: Convert to fraction form
1,452,331.40/2,173,313.10 = 920,107.40/x - Step 3: Cross multiply
1,452,331.40x = 2,173,313.10 × 920,107.40 - Step 4: Simplify right side
1,452,331.40x = 1,999,681,465,826.94 - Step 5: Solve for x
x = 1,999,681,465,826.94/1,452,331.40 - Step 6: Final answer
x = 1,376,876.84
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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.