Finding the Fourth Proportional to 5,306,944.32, 7,960,372.74 and 1,520,430.84
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Solution
The fourth proportional to 5,306,944.32, 7,960,372.74 and 1,520,430.84 is: 2,280,633.73
Step by Step Solution
- Step 1: Write the proportion equation
5,306,944.32 : 7,960,372.74 = 1,520,430.84 : x - Step 2: Convert to fraction form
5,306,944.32/7,960,372.74 = 1,520,430.84/x - Step 3: Cross multiply
5,306,944.32x = 7,960,372.74 × 1,520,430.84 - Step 4: Simplify right side
5,306,944.32x = 12,103,196,211,791.30 - Step 5: Solve for x
x = 12,103,196,211,791.30/5,306,944.32 - Step 6: Final answer
x = 2,280,633.73
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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.