Finding the Fourth Proportional to 5,643,447.12, 8,464,173.76 and 2,230,599.20
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Solution
The fourth proportional to 5,643,447.12, 8,464,173.76 and 2,230,599.20 is: 3,345,504.76
Step by Step Solution
- Step 1: Write the proportion equation
5,643,447.12 : 8,464,173.76 = 2,230,599.20 : x - Step 2: Convert to fraction form
5,643,447.12/8,464,173.76 = 2,230,599.20/x - Step 3: Cross multiply
5,643,447.12x = 8,464,173.76 × 2,230,599.20 - Step 4: Simplify right side
5,643,447.12x = 18,880,179,217,716.99 - Step 5: Solve for x
x = 18,880,179,217,716.99/5,643,447.12 - Step 6: Final answer
x = 3,345,504.76
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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.