Finding the Fourth Proportional to 3,478,482.38, 4,800,355.18 and 2,101,634.66
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Solution
The fourth proportional to 3,478,482.38, 4,800,355.18 and 2,101,634.66 is: 2,900,285.74
Step by Step Solution
- Step 1: Write the proportion equation
3,478,482.38 : 4,800,355.18 = 2,101,634.66 : x - Step 2: Convert to fraction form
3,478,482.38/4,800,355.18 = 2,101,634.66/x - Step 3: Cross multiply
3,478,482.38x = 4,800,355.18 × 2,101,634.66 - Step 4: Simplify right side
3,478,482.38x = 10,088,592,826,598.54 - Step 5: Solve for x
x = 10,088,592,826,598.54/3,478,482.38 - Step 6: Final answer
x = 2,900,285.74
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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.