Finding the Fourth Proportional to 4,138,037.10, 6,207,062.85 and 1,298,367.18
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Solution
The fourth proportional to 4,138,037.10, 6,207,062.85 and 1,298,367.18 is: 1,947,553.03
Step by Step Solution
- Step 1: Write the proportion equation
4,138,037.10 : 6,207,062.85 = 1,298,367.18 : x - Step 2: Convert to fraction form
4,138,037.10/6,207,062.85 = 1,298,367.18/x - Step 3: Cross multiply
4,138,037.10x = 6,207,062.85 × 1,298,367.18 - Step 4: Simplify right side
4,138,037.10x = 8,059,046,688,637.26 - Step 5: Solve for x
x = 8,059,046,688,637.26/4,138,037.10 - Step 6: Final answer
x = 1,947,553.03
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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.