Finding the Fourth Proportional to 3,977,037.12, 5,488,545.84 and 2,995,244.16
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Solution
The fourth proportional to 3,977,037.12, 5,488,545.84 and 2,995,244.16 is: 4,133,613.64
Step by Step Solution
- Step 1: Write the proportion equation
3,977,037.12 : 5,488,545.84 = 2,995,244.16 : x - Step 2: Convert to fraction form
3,977,037.12/5,488,545.84 = 2,995,244.16/x - Step 3: Cross multiply
3,977,037.12x = 5,488,545.84 × 2,995,244.16 - Step 4: Simplify right side
3,977,037.12x = 16,439,534,874,152.29 - Step 5: Solve for x
x = 16,439,534,874,152.29/3,977,037.12 - Step 6: Final answer
x = 4,133,613.64
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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.