Finding the Fourth Proportional to 6,155,441.80, 8,494,949.25 and 3,402,070.08
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Solution
The fourth proportional to 6,155,441.80, 8,494,949.25 and 3,402,070.08 is: 4,695,099.65
Step by Step Solution
- Step 1: Write the proportion equation
6,155,441.80 : 8,494,949.25 = 3,402,070.08 : x - Step 2: Convert to fraction form
6,155,441.80/8,494,949.25 = 3,402,070.08/x - Step 3: Cross multiply
6,155,441.80x = 8,494,949.25 × 3,402,070.08 - Step 4: Simplify right side
6,155,441.80x = 28,900,412,642,687.38 - Step 5: Solve for x
x = 28,900,412,642,687.38/6,155,441.80 - Step 6: Final answer
x = 4,695,099.65
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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.