Finding the Fourth Proportional to 4,947,252.10, 7,420,878.15 and 3,826,125.70
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Solution
The fourth proportional to 4,947,252.10, 7,420,878.15 and 3,826,125.70 is: 5,739,188.55
Step by Step Solution
- Step 1: Write the proportion equation
4,947,252.10 : 7,420,878.15 = 3,826,125.70 : x - Step 2: Convert to fraction form
4,947,252.10/7,420,878.15 = 3,826,125.70/x - Step 3: Cross multiply
4,947,252.10x = 7,420,878.15 × 3,826,125.70 - Step 4: Simplify right side
4,947,252.10x = 28,393,212,606,283.46 - Step 5: Solve for x
x = 28,393,212,606,283.46/4,947,252.10 - Step 6: Final answer
x = 5,739,188.55
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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.