Finding the Fourth Proportional to 2,148,489.62, 2,964,989.97 and 1,181,693.06
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Solution
The fourth proportional to 2,148,489.62, 2,964,989.97 and 1,181,693.06 is: 1,630,777.29
Step by Step Solution
- Step 1: Write the proportion equation
2,148,489.62 : 2,964,989.97 = 1,181,693.06 : x - Step 2: Convert to fraction form
2,148,489.62/2,964,989.97 = 1,181,693.06/x - Step 3: Cross multiply
2,148,489.62x = 2,964,989.97 × 1,181,693.06 - Step 4: Simplify right side
2,148,489.62x = 3,503,708,070,518.61 - Step 5: Solve for x
x = 3,503,708,070,518.61/2,148,489.62 - Step 6: Final answer
x = 1,630,777.29
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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.