Finding the Fourth Proportional to 4,724,739.60, 7,088,142.99 and 1,530,188.70
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Solution
The fourth proportional to 4,724,739.60, 7,088,142.99 and 1,530,188.70 is: 2,295,617.80
Step by Step Solution
- Step 1: Write the proportion equation
4,724,739.60 : 7,088,142.99 = 1,530,188.70 : x - Step 2: Convert to fraction form
4,724,739.60/7,088,142.99 = 1,530,188.70/x - Step 3: Cross multiply
4,724,739.60x = 7,088,142.99 × 1,530,188.70 - Step 4: Simplify right side
4,724,739.60x = 10,846,196,317,703.38 - Step 5: Solve for x
x = 10,846,196,317,703.38/4,724,739.60 - Step 6: Final answer
x = 2,295,617.80
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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.