Finding the Fourth Proportional to 3,927,445.28, 5,891,108.79 and 1,766,944.70
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Solution
The fourth proportional to 3,927,445.28, 5,891,108.79 and 1,766,944.70 is: 2,650,390.45
Step by Step Solution
- Step 1: Write the proportion equation
3,927,445.28 : 5,891,108.79 = 1,766,944.70 : x - Step 2: Convert to fraction form
3,927,445.28/5,891,108.79 = 1,766,944.70/x - Step 3: Cross multiply
3,927,445.28x = 5,891,108.79 × 1,766,944.70 - Step 4: Simplify right side
3,927,445.28x = 10,409,263,447,905.47 - Step 5: Solve for x
x = 10,409,263,447,905.47/3,927,445.28 - Step 6: Final answer
x = 2,650,390.45
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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.