Finding the Fourth Proportional to 4,389,078.67, 6,056,937.42 and 2,455,371.55
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Solution
The fourth proportional to 4,389,078.67, 6,056,937.42 and 2,455,371.55 is: 3,388,417.69
Step by Step Solution
- Step 1: Write the proportion equation
4,389,078.67 : 6,056,937.42 = 2,455,371.55 : x - Step 2: Convert to fraction form
4,389,078.67/6,056,937.42 = 2,455,371.55/x - Step 3: Cross multiply
4,389,078.67x = 6,056,937.42 × 2,455,371.55 - Step 4: Simplify right side
4,389,078.67x = 14,872,031,821,198.40 - Step 5: Solve for x
x = 14,872,031,821,198.40/4,389,078.67 - Step 6: Final answer
x = 3,388,417.69
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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.