Finding the Fourth Proportional to 2,948,608.63, 4,070,335.37 and 1,982,299.55
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Solution
The fourth proportional to 2,948,608.63, 4,070,335.37 and 1,982,299.55 is: 2,736,417.40
Step by Step Solution
- Step 1: Write the proportion equation
2,948,608.63 : 4,070,335.37 = 1,982,299.55 : x - Step 2: Convert to fraction form
2,948,608.63/4,070,335.37 = 1,982,299.55/x - Step 3: Cross multiply
2,948,608.63x = 4,070,335.37 × 1,982,299.55 - Step 4: Simplify right side
2,948,608.63x = 8,068,623,942,036.91 - Step 5: Solve for x
x = 8,068,623,942,036.91/2,948,608.63 - Step 6: Final answer
x = 2,736,417.40
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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.