Finding the Fourth Proportional to 3,179,611.02, 4,768,699.82 and 905,084.99
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Solution
The fourth proportional to 3,179,611.02, 4,768,699.82 and 905,084.99 is: 1,357,423.46
Step by Step Solution
- Step 1: Write the proportion equation
3,179,611.02 : 4,768,699.82 = 905,084.99 : x - Step 2: Convert to fraction form
3,179,611.02/4,768,699.82 = 905,084.99/x - Step 3: Cross multiply
3,179,611.02x = 4,768,699.82 × 905,084.99 - Step 4: Simplify right side
3,179,611.02x = 4,316,078,600,528.78 - Step 5: Solve for x
x = 4,316,078,600,528.78/3,179,611.02 - Step 6: Final answer
x = 1,357,423.46
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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.