Finding the Fourth Proportional to 6,426,207.23, 9,633,261.76 and 2,163,397.55
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Solution
The fourth proportional to 6,426,207.23, 9,633,261.76 and 2,163,397.55 is: 3,243,059.88
Step by Step Solution
- Step 1: Write the proportion equation
6,426,207.23 : 9,633,261.76 = 2,163,397.55 : x - Step 2: Convert to fraction form
6,426,207.23/9,633,261.76 = 2,163,397.55/x - Step 3: Cross multiply
6,426,207.23x = 9,633,261.76 × 2,163,397.55 - Step 4: Simplify right side
6,426,207.23x = 20,840,574,836,517.89 - Step 5: Solve for x
x = 20,840,574,836,517.89/6,426,207.23 - Step 6: Final answer
x = 3,243,059.88
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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.