Finding the Fourth Proportional to 6,231,957.18, 8,600,077.70 and 3,478,620.58
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Solution
The fourth proportional to 6,231,957.18, 8,600,077.70 and 3,478,620.58 is: 4,800,483.45
Step by Step Solution
- Step 1: Write the proportion equation
6,231,957.18 : 8,600,077.70 = 3,478,620.58 : x - Step 2: Convert to fraction form
6,231,957.18/8,600,077.70 = 3,478,620.58/x - Step 3: Cross multiply
6,231,957.18x = 8,600,077.70 × 3,478,620.58 - Step 4: Simplify right side
6,231,957.18x = 29,916,407,276,819.06 - Step 5: Solve for x
x = 29,916,407,276,819.06/6,231,957.18 - Step 6: Final answer
x = 4,800,483.45
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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.