Finding the Fourth Proportional to 1,912,184.32, 2,638,714.14 and 1,052,576.68
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Solution
The fourth proportional to 1,912,184.32, 2,638,714.14 and 1,052,576.68 is: 1,452,500.65
Step by Step Solution
- Step 1: Write the proportion equation
1,912,184.32 : 2,638,714.14 = 1,052,576.68 : x - Step 2: Convert to fraction form
1,912,184.32/2,638,714.14 = 1,052,576.68/x - Step 3: Cross multiply
1,912,184.32x = 2,638,714.14 × 1,052,576.68 - Step 4: Simplify right side
1,912,184.32x = 2,777,448,968,950.26 - Step 5: Solve for x
x = 2,777,448,968,950.26/1,912,184.32 - Step 6: Final answer
x = 1,452,500.65
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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.