Finding the Fourth Proportional to 6,243,189.60, 9,362,451.60 and 2,455,888.80
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Solution
The fourth proportional to 6,243,189.60, 9,362,451.60 and 2,455,888.80 is: 3,682,915.54
Step by Step Solution
- Step 1: Write the proportion equation
6,243,189.60 : 9,362,451.60 = 2,455,888.80 : x - Step 2: Convert to fraction form
6,243,189.60/9,362,451.60 = 2,455,888.80/x - Step 3: Cross multiply
6,243,189.60x = 9,362,451.60 × 2,455,888.80 - Step 4: Simplify right side
6,243,189.60x = 22,993,140,024,982.08 - Step 5: Solve for x
x = 22,993,140,024,982.08/6,243,189.60 - Step 6: Final answer
x = 3,682,915.54
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1.5x scale
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.