Finding the Fourth Proportional to 3,926,511.80, 5,889,822.10 and 2,587,247.80
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Solution
The fourth proportional to 3,926,511.80, 5,889,822.10 and 2,587,247.80 is: 3,880,907.55
Step by Step Solution
- Step 1: Write the proportion equation
3,926,511.80 : 5,889,822.10 = 2,587,247.80 : x - Step 2: Convert to fraction form
3,926,511.80/5,889,822.10 = 2,587,247.80/x - Step 3: Cross multiply
3,926,511.80x = 5,889,822.10 × 2,587,247.80 - Step 4: Simplify right side
3,926,511.80x = 15,238,429,270,616.38 - Step 5: Solve for x
x = 15,238,429,270,616.38/3,926,511.80 - Step 6: Final answer
x = 3,880,907.55
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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.