Finding the Fourth Proportional to 4,288,503.20, 6,432,757.07 and 2,692,187.28
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Solution
The fourth proportional to 4,288,503.20, 6,432,757.07 and 2,692,187.28 is: 4,038,282.35
Step by Step Solution
- Step 1: Write the proportion equation
4,288,503.20 : 6,432,757.07 = 2,692,187.28 : x - Step 2: Convert to fraction form
4,288,503.20/6,432,757.07 = 2,692,187.28/x - Step 3: Cross multiply
4,288,503.20x = 6,432,757.07 × 2,692,187.28 - Step 4: Simplify right side
4,288,503.20x = 17,318,186,745,723.13 - Step 5: Solve for x
x = 17,318,186,745,723.13/4,288,503.20 - Step 6: Final answer
x = 4,038,282.35
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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.