Finding the Fourth Proportional to 6,393,833.88, 8,823,497.58 and 3,493,272.48
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Solution
The fourth proportional to 6,393,833.88, 8,823,497.58 and 3,493,272.48 is: 4,820,719.75
Step by Step Solution
- Step 1: Write the proportion equation
6,393,833.88 : 8,823,497.58 = 3,493,272.48 : x - Step 2: Convert to fraction form
6,393,833.88/8,823,497.58 = 3,493,272.48/x - Step 3: Cross multiply
6,393,833.88x = 8,823,497.58 × 3,493,272.48 - Step 4: Simplify right side
6,393,833.88x = 30,822,881,273,560.60 - Step 5: Solve for x
x = 30,822,881,273,560.60/6,393,833.88 - Step 6: Final answer
x = 4,820,719.75
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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.