Finding the Fourth Proportional to 4,909,398.54, 6,771,480.06 and 3,276,982.86
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Solution
The fourth proportional to 4,909,398.54, 6,771,480.06 and 3,276,982.86 is: 4,519,906.85
Step by Step Solution
- Step 1: Write the proportion equation
4,909,398.54 : 6,771,480.06 = 3,276,982.86 : x - Step 2: Convert to fraction form
4,909,398.54/6,771,480.06 = 3,276,982.86/x - Step 3: Cross multiply
4,909,398.54x = 6,771,480.06 × 3,276,982.86 - Step 4: Simplify right side
4,909,398.54x = 22,190,024,093,451.77 - Step 5: Solve for x
x = 22,190,024,093,451.77/4,909,398.54 - Step 6: Final answer
x = 4,519,906.85
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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.