Finding the Fourth Proportional to 4,478,257.62, 6,179,995.98 and 2,441,067.12
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Solution
The fourth proportional to 4,478,257.62, 6,179,995.98 and 2,441,067.12 is: 3,368,672.88
Step by Step Solution
- Step 1: Write the proportion equation
4,478,257.62 : 6,179,995.98 = 2,441,067.12 : x - Step 2: Convert to fraction form
4,478,257.62/6,179,995.98 = 2,441,067.12/x - Step 3: Cross multiply
4,478,257.62x = 6,179,995.98 × 2,441,067.12 - Step 4: Simplify right side
4,478,257.62x = 15,085,784,988,510.18 - Step 5: Solve for x
x = 15,085,784,988,510.18/4,478,257.62 - Step 6: Final answer
x = 3,368,672.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.