Finding the Fourth Proportional to 5,553,904.80, 8,330,857.20 and 1,959,643.20
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Solution
The fourth proportional to 5,553,904.80, 8,330,857.20 and 1,959,643.20 is: 2,939,464.80
Step by Step Solution
- Step 1: Write the proportion equation
5,553,904.80 : 8,330,857.20 = 1,959,643.20 : x - Step 2: Convert to fraction form
5,553,904.80/8,330,857.20 = 1,959,643.20/x - Step 3: Cross multiply
5,553,904.80x = 8,330,857.20 × 1,959,643.20 - Step 4: Simplify right side
5,553,904.80x = 16,325,507,662,151.04 - Step 5: Solve for x
x = 16,325,507,662,151.04/5,553,904.80 - Step 6: Final answer
x = 2,939,464.80
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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.