Finding the Fourth Proportional to 3,149,353.08, 4,346,245.53 and 1,772,785.62
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Solution
The fourth proportional to 3,149,353.08, 4,346,245.53 and 1,772,785.62 is: 2,446,521.99
Step by Step Solution
- Step 1: Write the proportion equation
3,149,353.08 : 4,346,245.53 = 1,772,785.62 : x - Step 2: Convert to fraction form
3,149,353.08/4,346,245.53 = 1,772,785.62/x - Step 3: Cross multiply
3,149,353.08x = 4,346,245.53 × 1,772,785.62 - Step 4: Simplify right side
3,149,353.08x = 7,704,961,576,573.28 - Step 5: Solve for x
x = 7,704,961,576,573.28/3,149,353.08 - Step 6: Final answer
x = 2,446,521.99
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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.