Finding the Fourth Proportional to 3,114,387.35, 4,297,866.43 and 1,737,789.09
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Solution
The fourth proportional to 3,114,387.35, 4,297,866.43 and 1,737,789.09 is: 2,398,155.58
Step by Step Solution
- Step 1: Write the proportion equation
3,114,387.35 : 4,297,866.43 = 1,737,789.09 : x - Step 2: Convert to fraction form
3,114,387.35/4,297,866.43 = 1,737,789.09/x - Step 3: Cross multiply
3,114,387.35x = 4,297,866.43 × 1,737,789.09 - Step 4: Simplify right side
3,114,387.35x = 7,468,785,392,331.25 - Step 5: Solve for x
x = 7,468,785,392,331.25/3,114,387.35 - Step 6: Final answer
x = 2,398,155.58
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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.