Finding the Fourth Proportional to 2,110,178.12, 3,165,271.14 and 512,742.56
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Solution
The fourth proportional to 2,110,178.12, 3,165,271.14 and 512,742.56 is: 769,114.80
Step by Step Solution
- Step 1: Write the proportion equation
2,110,178.12 : 3,165,271.14 = 512,742.56 : x - Step 2: Convert to fraction form
2,110,178.12/3,165,271.14 = 512,742.56/x - Step 3: Cross multiply
2,110,178.12x = 3,165,271.14 × 512,742.56 - Step 4: Simplify right side
2,110,178.12x = 1,622,969,227,417.72 - Step 5: Solve for x
x = 1,622,969,227,417.72/2,110,178.12 - Step 6: Final answer
x = 769,114.80
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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.