Finding the Fourth Proportional to 2,652,872.64, 3,660,856.56 and 1,622,116.68
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Solution
The fourth proportional to 2,652,872.64, 3,660,856.56 and 1,622,116.68 is: 2,238,455.17
Step by Step Solution
- Step 1: Write the proportion equation
2,652,872.64 : 3,660,856.56 = 1,622,116.68 : x - Step 2: Convert to fraction form
2,652,872.64/3,660,856.56 = 1,622,116.68/x - Step 3: Cross multiply
2,652,872.64x = 3,660,856.56 × 1,622,116.68 - Step 4: Simplify right side
2,652,872.64x = 5,938,336,489,063.42 - Step 5: Solve for x
x = 5,938,336,489,063.42/2,652,872.64 - Step 6: Final answer
x = 2,238,455.17
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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.