Finding the Fourth Proportional to 2,558,430.42, 3,530,624.16 and 1,412,502.36
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Solution
The fourth proportional to 2,558,430.42, 3,530,624.16 and 1,412,502.36 is: 1,949,247.84
Step by Step Solution
- Step 1: Write the proportion equation
2,558,430.42 : 3,530,624.16 = 1,412,502.36 : x - Step 2: Convert to fraction form
2,558,430.42/3,530,624.16 = 1,412,502.36/x - Step 3: Cross multiply
2,558,430.42x = 3,530,624.16 × 1,412,502.36 - Step 4: Simplify right side
2,558,430.42x = 4,987,014,958,273.02 - Step 5: Solve for x
x = 4,987,014,958,273.02/2,558,430.42 - Step 6: Final answer
x = 1,949,247.84
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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.