Finding the Fourth Proportional to 4,722,784.12, 7,075,044.08 and 3,955,516.18
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Solution
The fourth proportional to 4,722,784.12, 7,075,044.08 and 3,955,516.18 is: 5,925,625.78
Step by Step Solution
- Step 1: Write the proportion equation
4,722,784.12 : 7,075,044.08 = 3,955,516.18 : x - Step 2: Convert to fraction form
4,722,784.12/7,075,044.08 = 3,955,516.18/x - Step 3: Cross multiply
4,722,784.12x = 7,075,044.08 × 3,955,516.18 - Step 4: Simplify right side
4,722,784.12x = 27,985,451,324,854.39 - Step 5: Solve for x
x = 27,985,451,324,854.39/4,722,784.12 - Step 6: Final answer
x = 5,925,625.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.