Finding the Fourth Proportional to 4,138,241.40, 6,207,289.61 and 1,862,154.86
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Solution
The fourth proportional to 4,138,241.40, 6,207,289.61 and 1,862,154.86 is: 2,793,199.66
Step by Step Solution
- Step 1: Write the proportion equation
4,138,241.40 : 6,207,289.61 = 1,862,154.86 : x - Step 2: Convert to fraction form
4,138,241.40/6,207,289.61 = 1,862,154.86/x - Step 3: Cross multiply
4,138,241.40x = 6,207,289.61 × 1,862,154.86 - Step 4: Simplify right side
4,138,241.40x = 11,558,934,474,341.78 - Step 5: Solve for x
x = 11,558,934,474,341.78/4,138,241.40 - Step 6: Final answer
x = 2,793,199.66
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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.