Finding the Fourth Proportional to 5,281,306.24, 7,911,680.44 and 3,893,913.24
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Solution
The fourth proportional to 5,281,306.24, 7,911,680.44 and 3,893,913.24 is: 5,833,291.20
Step by Step Solution
- Step 1: Write the proportion equation
5,281,306.24 : 7,911,680.44 = 3,893,913.24 : x - Step 2: Convert to fraction form
5,281,306.24/7,911,680.44 = 3,893,913.24/x - Step 3: Cross multiply
5,281,306.24x = 7,911,680.44 × 3,893,913.24 - Step 4: Simplify right side
5,281,306.24x = 30,807,397,215,965.03 - Step 5: Solve for x
x = 30,807,397,215,965.03/5,281,306.24 - Step 6: Final answer
x = 5,833,291.20
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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.