Finding the Fourth Proportional to 4,138,426.02, 6,207,901.44 and 1,298,650.26
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Solution
The fourth proportional to 4,138,426.02, 6,207,901.44 and 1,298,650.26 is: 1,948,057.74
Step by Step Solution
- Step 1: Write the proportion equation
4,138,426.02 : 6,207,901.44 = 1,298,650.26 : x - Step 2: Convert to fraction form
4,138,426.02/6,207,901.44 = 1,298,650.26/x - Step 3: Cross multiply
4,138,426.02x = 6,207,901.44 × 1,298,650.26 - Step 4: Simplify right side
4,138,426.02x = 8,061,892,819,110.38 - Step 5: Solve for x
x = 8,061,892,819,110.38/4,138,426.02 - Step 6: Final answer
x = 1,948,057.74
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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.