Finding the Fourth Proportional to 4,215,660.56, 5,817,612.64 and 2,281,915.20
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Solution
The fourth proportional to 4,215,660.56, 5,817,612.64 and 2,281,915.20 is: 3,149,043.55
Step by Step Solution
- Step 1: Write the proportion equation
4,215,660.56 : 5,817,612.64 = 2,281,915.20 : x - Step 2: Convert to fraction form
4,215,660.56/5,817,612.64 = 2,281,915.20/x - Step 3: Cross multiply
4,215,660.56x = 5,817,612.64 × 2,281,915.20 - Step 4: Simplify right side
4,215,660.56x = 13,275,298,710,928.13 - Step 5: Solve for x
x = 13,275,298,710,928.13/4,215,660.56 - Step 6: Final answer
x = 3,149,043.55
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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.