Finding the Fourth Proportional to 7,239,060.32, 10,859,925.54 and 2,381,640.08
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Solution
The fourth proportional to 7,239,060.32, 10,859,925.54 and 2,381,640.08 is: 3,572,899.35
Step by Step Solution
- Step 1: Write the proportion equation
7,239,060.32 : 10,859,925.54 = 2,381,640.08 : x - Step 2: Convert to fraction form
7,239,060.32/10,859,925.54 = 2,381,640.08/x - Step 3: Cross multiply
7,239,060.32x = 10,859,925.54 × 2,381,640.08 - Step 4: Simplify right side
7,239,060.32x = 25,864,433,931,879.64 - Step 5: Solve for x
x = 25,864,433,931,879.64/7,239,060.32 - Step 6: Final answer
x = 3,572,899.35
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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.