Finding the Fourth Proportional to 1,977,853.17, 2,965,798.35 and 629,840.10
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Solution
The fourth proportional to 1,977,853.17, 2,965,798.35 and 629,840.10 is: 944,447.63
Step by Step Solution
- Step 1: Write the proportion equation
1,977,853.17 : 2,965,798.35 = 629,840.10 : x - Step 2: Convert to fraction form
1,977,853.17/2,965,798.35 = 629,840.10/x - Step 3: Cross multiply
1,977,853.17x = 2,965,798.35 × 629,840.10 - Step 4: Simplify right side
1,977,853.17x = 1,867,978,729,343.84 - Step 5: Solve for x
x = 1,867,978,729,343.84/1,977,853.17 - Step 6: Final answer
x = 944,447.63
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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.