Finding the Fourth Proportional to 2,948,614.86, 4,070,343.98 and 1,982,305.66
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Solution
The fourth proportional to 2,948,614.86, 4,070,343.98 and 1,982,305.66 is: 2,736,425.84
Step by Step Solution
- Step 1: Write the proportion equation
2,948,614.86 : 4,070,343.98 = 1,982,305.66 : x - Step 2: Convert to fraction form
2,948,614.86/4,070,343.98 = 1,982,305.66/x - Step 3: Cross multiply
2,948,614.86x = 4,070,343.98 × 1,982,305.66 - Step 4: Simplify right side
2,948,614.86x = 8,068,665,909,700.93 - Step 5: Solve for x
x = 8,068,665,909,700.93/2,948,614.86 - Step 6: Final answer
x = 2,736,425.84
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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.