Finding the Fourth Proportional to 3,977,133.86, 5,968,317.21 and 2,181,278.81
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Solution
The fourth proportional to 3,977,133.86, 5,968,317.21 and 2,181,278.81 is: 3,273,353.20
Step by Step Solution
- Step 1: Write the proportion equation
3,977,133.86 : 5,968,317.21 = 2,181,278.81 : x - Step 2: Convert to fraction form
3,977,133.86/5,968,317.21 = 2,181,278.81/x - Step 3: Cross multiply
3,977,133.86x = 5,968,317.21 × 2,181,278.81 - Step 4: Simplify right side
3,977,133.86x = 13,018,563,861,531.32 - Step 5: Solve for x
x = 13,018,563,861,531.32/3,977,133.86 - Step 6: Final answer
x = 3,273,353.20
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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.