Finding the Fourth Proportional to 5,379,406.88, 8,069,070.12 and 1,541,232.58
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Solution
The fourth proportional to 5,379,406.88, 8,069,070.12 and 1,541,232.58 is: 2,311,837.35
Step by Step Solution
- Step 1: Write the proportion equation
5,379,406.88 : 8,069,070.12 = 1,541,232.58 : x - Step 2: Convert to fraction form
5,379,406.88/8,069,070.12 = 1,541,232.58/x - Step 3: Cross multiply
5,379,406.88x = 8,069,070.12 × 1,541,232.58 - Step 4: Simplify right side
5,379,406.88x = 12,436,313,759,248.51 - Step 5: Solve for x
x = 12,436,313,759,248.51/5,379,406.88 - Step 6: Final answer
x = 2,311,837.35
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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.