Finding the Fourth Proportional to 4,658,292.05, 6,988,864.14 and 2,385,425.72
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Solution
The fourth proportional to 4,658,292.05, 6,988,864.14 and 2,385,425.72 is: 3,578,868.85
Step by Step Solution
- Step 1: Write the proportion equation
4,658,292.05 : 6,988,864.14 = 2,385,425.72 : x - Step 2: Convert to fraction form
4,658,292.05/6,988,864.14 = 2,385,425.72/x - Step 3: Cross multiply
4,658,292.05x = 6,988,864.14 × 2,385,425.72 - Step 4: Simplify right side
4,658,292.05x = 16,671,416,290,613.84 - Step 5: Solve for x
x = 16,671,416,290,613.84/4,658,292.05 - Step 6: Final answer
x = 3,578,868.85
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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.