Finding the Fourth Proportional to 4,000,618.44, 5,520,810.42 and 2,165,036.40
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Solution
The fourth proportional to 4,000,618.44, 5,520,810.42 and 2,165,036.40 is: 2,987,726.95
Step by Step Solution
- Step 1: Write the proportion equation
4,000,618.44 : 5,520,810.42 = 2,165,036.40 : x - Step 2: Convert to fraction form
4,000,618.44/5,520,810.42 = 2,165,036.40/x - Step 3: Cross multiply
4,000,618.44x = 5,520,810.42 × 2,165,036.40 - Step 4: Simplify right side
4,000,618.44x = 11,952,755,516,799.29 - Step 5: Solve for x
x = 11,952,755,516,799.29/4,000,618.44 - Step 6: Final answer
x = 2,987,726.95
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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.