Finding the Fourth Proportional to 5,336,423.98, 7,364,214.02 and 2,888,972.33
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Solution
The fourth proportional to 5,336,423.98, 7,364,214.02 and 2,888,972.33 is: 3,986,754.16
Step by Step Solution
- Step 1: Write the proportion equation
5,336,423.98 : 7,364,214.02 = 2,888,972.33 : x - Step 2: Convert to fraction form
5,336,423.98/7,364,214.02 = 2,888,972.33/x - Step 3: Cross multiply
5,336,423.98x = 7,364,214.02 × 2,888,972.33 - Step 4: Simplify right side
5,336,423.98x = 21,275,010,506,379.43 - Step 5: Solve for x
x = 21,275,010,506,379.43/5,336,423.98 - Step 6: Final answer
x = 3,986,754.16
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1.5x scale
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.