Finding the Fourth Proportional to 4,263,453.20, 6,392,069.40 and 1,737,808.40
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Solution
The fourth proportional to 4,263,453.20, 6,392,069.40 and 1,737,808.40 is: 2,605,444.78
Step by Step Solution
- Step 1: Write the proportion equation
4,263,453.20 : 6,392,069.40 = 1,737,808.40 : x - Step 2: Convert to fraction form
4,263,453.20/6,392,069.40 = 1,737,808.40/x - Step 3: Cross multiply
4,263,453.20x = 6,392,069.40 × 1,737,808.40 - Step 4: Simplify right side
4,263,453.20x = 11,108,191,896,702.96 - Step 5: Solve for x
x = 11,108,191,896,702.96/4,263,453.20 - Step 6: Final answer
x = 2,605,444.78
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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.