Finding the Fourth Proportional to 4,096,987.60, 6,140,232.60 and 3,645,590.80
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Solution
The fourth proportional to 4,096,987.60, 6,140,232.60 and 3,645,590.80 is: 5,463,715.70
Step by Step Solution
- Step 1: Write the proportion equation
4,096,987.60 : 6,140,232.60 = 3,645,590.80 : x - Step 2: Convert to fraction form
4,096,987.60/6,140,232.60 = 3,645,590.80/x - Step 3: Cross multiply
4,096,987.60x = 6,140,232.60 × 3,645,590.80 - Step 4: Simplify right side
4,096,987.60x = 22,384,775,476,420.08 - Step 5: Solve for x
x = 22,384,775,476,420.08/4,096,987.60 - Step 6: Final answer
x = 5,463,715.70
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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.