Finding the Fourth Proportional to 3,799,132.11, 5,242,705.74 and 2,122,728.95
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Solution
The fourth proportional to 3,799,132.11, 5,242,705.74 and 2,122,728.95 is: 2,929,311.99
Step by Step Solution
- Step 1: Write the proportion equation
3,799,132.11 : 5,242,705.74 = 2,122,728.95 : x - Step 2: Convert to fraction form
3,799,132.11/5,242,705.74 = 2,122,728.95/x - Step 3: Cross multiply
3,799,132.11x = 5,242,705.74 × 2,122,728.95 - Step 4: Simplify right side
3,799,132.11x = 11,128,843,224,415.64 - Step 5: Solve for x
x = 11,128,843,224,415.64/3,799,132.11 - Step 6: Final answer
x = 2,929,311.99
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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.