Finding the Fourth Proportional to 2,068,278.40, 3,102,709.20 and 648,186.40
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Solution
The fourth proportional to 2,068,278.40, 3,102,709.20 and 648,186.40 is: 972,370.99
Step by Step Solution
- Step 1: Write the proportion equation
2,068,278.40 : 3,102,709.20 = 648,186.40 : x - Step 2: Convert to fraction form
2,068,278.40/3,102,709.20 = 648,186.40/x - Step 3: Cross multiply
2,068,278.40x = 3,102,709.20 × 648,186.40 - Step 4: Simplify right side
2,068,278.40x = 2,011,133,906,594.88 - Step 5: Solve for x
x = 2,011,133,906,594.88/2,068,278.40 - Step 6: Final answer
x = 972,370.99
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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.