Finding the Fourth Proportional to 3,329,163.72, 4,594,261.68 and 1,878,920.28
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Solution
The fourth proportional to 3,329,163.72, 4,594,261.68 and 1,878,920.28 is: 2,592,918.87
Step by Step Solution
- Step 1: Write the proportion equation
3,329,163.72 : 4,594,261.68 = 1,878,920.28 : x - Step 2: Convert to fraction form
3,329,163.72/4,594,261.68 = 1,878,920.28/x - Step 3: Cross multiply
3,329,163.72x = 4,594,261.68 × 1,878,920.28 - Step 4: Simplify right side
3,329,163.72x = 8,632,251,442,178.87 - Step 5: Solve for x
x = 8,632,251,442,178.87/3,329,163.72 - Step 6: Final answer
x = 2,592,918.87
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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.