Finding the Fourth Proportional to 4,319,718.80, 5,960,704.05 and 2,385,864.05
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Solution
The fourth proportional to 4,319,718.80, 5,960,704.05 and 2,385,864.05 is: 3,292,211.87
Step by Step Solution
- Step 1: Write the proportion equation
4,319,718.80 : 5,960,704.05 = 2,385,864.05 : x - Step 2: Convert to fraction form
4,319,718.80/5,960,704.05 = 2,385,864.05/x - Step 3: Cross multiply
4,319,718.80x = 5,960,704.05 × 2,385,864.05 - Step 4: Simplify right side
4,319,718.80x = 14,221,429,475,780.88 - Step 5: Solve for x
x = 14,221,429,475,780.88/4,319,718.80 - Step 6: Final answer
x = 3,292,211.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.