Finding the Fourth Proportional to 3,658,769.28, 5,050,856.70 and 2,571,972.48
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Solution
The fourth proportional to 3,658,769.28, 5,050,856.70 and 2,571,972.48 is: 3,550,555.78
Step by Step Solution
- Step 1: Write the proportion equation
3,658,769.28 : 5,050,856.70 = 2,571,972.48 : x - Step 2: Convert to fraction form
3,658,769.28/5,050,856.70 = 2,571,972.48/x - Step 3: Cross multiply
3,658,769.28x = 5,050,856.70 × 2,571,972.48 - Step 4: Simplify right side
3,658,769.28x = 12,990,664,432,823.62 - Step 5: Solve for x
x = 12,990,664,432,823.62/3,658,769.28 - Step 6: Final answer
x = 3,550,555.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.