Finding the Fourth Proportional to 4,612,347.24, 6,912,519.84 and 1,876,706.58
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Solution
The fourth proportional to 4,612,347.24, 6,912,519.84 and 1,876,706.58 is: 2,812,618.13
Step by Step Solution
- Step 1: Write the proportion equation
4,612,347.24 : 6,912,519.84 = 1,876,706.58 : x - Step 2: Convert to fraction form
4,612,347.24/6,912,519.84 = 1,876,706.58/x - Step 3: Cross multiply
4,612,347.24x = 6,912,519.84 × 1,876,706.58 - Step 4: Simplify right side
4,612,347.24x = 12,972,771,468,108.55 - Step 5: Solve for x
x = 12,972,771,468,108.55/4,612,347.24 - Step 6: Final answer
x = 2,812,618.13
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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.