Finding the Fourth Proportional to 3,162,357.20, 4,748,259.84 and 3,115,118
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Solution
The fourth proportional to 3,162,357.20, 4,748,259.84 and 3,115,118 is: 4,677,330.47
Step by Step Solution
- Step 1: Write the proportion equation
3,162,357.20 : 4,748,259.84 = 3,115,118 : x - Step 2: Convert to fraction form
3,162,357.20/4,748,259.84 = 3,115,118/x - Step 3: Cross multiply
3,162,357.20x = 4,748,259.84 × 3,115,118 - Step 4: Simplify right side
3,162,357.20x = 14,791,389,696,261.12 - Step 5: Solve for x
x = 14,791,389,696,261.12/3,162,357.20 - Step 6: Final answer
x = 4,677,330.47
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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.