Finding the Fourth Proportional to 3,955,657.90, 5,931,523.98 and 1,259,631.85
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Solution
The fourth proportional to 3,955,657.90, 5,931,523.98 and 1,259,631.85 is: 1,888,822.72
Step by Step Solution
- Step 1: Write the proportion equation
3,955,657.90 : 5,931,523.98 = 1,259,631.85 : x - Step 2: Convert to fraction form
3,955,657.90/5,931,523.98 = 1,259,631.85/x - Step 3: Cross multiply
3,955,657.90x = 5,931,523.98 × 1,259,631.85 - Step 4: Simplify right side
3,955,657.90x = 7,471,536,524,246.76 - Step 5: Solve for x
x = 7,471,536,524,246.76/3,955,657.90 - Step 6: Final answer
x = 1,888,822.72
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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.