Finding the Fourth Proportional to 2,865,955.56, 3,952,779.92 and 1,777,616.88
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Solution
The fourth proportional to 2,865,955.56, 3,952,779.92 and 1,777,616.88 is: 2,451,722.70
Step by Step Solution
- Step 1: Write the proportion equation
2,865,955.56 : 3,952,779.92 = 1,777,616.88 : x - Step 2: Convert to fraction form
2,865,955.56/3,952,779.92 = 1,777,616.88/x - Step 3: Cross multiply
2,865,955.56x = 3,952,779.92 × 1,777,616.88 - Step 4: Simplify right side
2,865,955.56x = 7,026,528,308,717.05 - Step 5: Solve for x
x = 7,026,528,308,717.05/2,865,955.56 - Step 6: Final answer
x = 2,451,722.70
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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.