Finding the Fourth Proportional to 4,294,961.24, 6,428,423.02 and 3,157,422.28
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Solution
The fourth proportional to 4,294,961.24, 6,428,423.02 and 3,157,422.28 is: 4,725,827.53
Step by Step Solution
- Step 1: Write the proportion equation
4,294,961.24 : 6,428,423.02 = 3,157,422.28 : x - Step 2: Convert to fraction form
4,294,961.24/6,428,423.02 = 3,157,422.28/x - Step 3: Cross multiply
4,294,961.24x = 6,428,423.02 × 3,157,422.28 - Step 4: Simplify right side
4,294,961.24x = 20,297,246,068,612.88 - Step 5: Solve for x
x = 20,297,246,068,612.88/4,294,961.24 - Step 6: Final answer
x = 4,725,827.53
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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.