Finding the Fourth Proportional to 5,977,753.08, 8,965,965.18 and 2,139,420.48
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Solution
The fourth proportional to 5,977,753.08, 8,965,965.18 and 2,139,420.48 is: 3,208,892.92
Step by Step Solution
- Step 1: Write the proportion equation
5,977,753.08 : 8,965,965.18 = 2,139,420.48 : x - Step 2: Convert to fraction form
5,977,753.08/8,965,965.18 = 2,139,420.48/x - Step 3: Cross multiply
5,977,753.08x = 8,965,965.18 × 2,139,420.48 - Step 4: Simplify right side
5,977,753.08x = 19,181,969,529,058.89 - Step 5: Solve for x
x = 19,181,969,529,058.89/5,977,753.08 - Step 6: Final answer
x = 3,208,892.92
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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.