Finding the Fourth Proportional to 4,769,580.70, 7,151,908.65 and 1,403,350.30
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Solution
The fourth proportional to 4,769,580.70, 7,151,908.65 and 1,403,350.30 is: 2,104,300.94
Step by Step Solution
- Step 1: Write the proportion equation
4,769,580.70 : 7,151,908.65 = 1,403,350.30 : x - Step 2: Convert to fraction form
4,769,580.70/7,151,908.65 = 1,403,350.30/x - Step 3: Cross multiply
4,769,580.70x = 7,151,908.65 × 1,403,350.30 - Step 4: Simplify right side
4,769,580.70x = 10,036,633,149,550.10 - Step 5: Solve for x
x = 10,036,633,149,550.10/4,769,580.70 - Step 6: Final answer
x = 2,104,300.94
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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.