Finding the Fourth Proportional to 4,316,521.20, 6,474,781.80 and 3,476,713.20
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Solution
The fourth proportional to 4,316,521.20, 6,474,781.80 and 3,476,713.20 is: 5,215,069.80
Step by Step Solution
- Step 1: Write the proportion equation
4,316,521.20 : 6,474,781.80 = 3,476,713.20 : x - Step 2: Convert to fraction form
4,316,521.20/6,474,781.80 = 3,476,713.20/x - Step 3: Cross multiply
4,316,521.20x = 6,474,781.80 × 3,476,713.20 - Step 4: Simplify right side
4,316,521.20x = 22,510,959,351,179.76 - Step 5: Solve for x
x = 22,510,959,351,179.76/4,316,521.20 - Step 6: Final answer
x = 5,215,069.80
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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.