Finding the Fourth Proportional to 2,156,620, 2,976,135.66 and 1,202,764
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Solution
The fourth proportional to 2,156,620, 2,976,135.66 and 1,202,764 is: 1,659,814.35
Step by Step Solution
- Step 1: Write the proportion equation
2,156,620 : 2,976,135.66 = 1,202,764 : x - Step 2: Convert to fraction form
2,156,620/2,976,135.66 = 1,202,764/x - Step 3: Cross multiply
2,156,620x = 2,976,135.66 × 1,202,764 - Step 4: Simplify right side
2,156,620x = 3,579,588,830,964.24 - Step 5: Solve for x
x = 3,579,588,830,964.24/2,156,620 - Step 6: Final answer
x = 1,659,814.35
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.