Finding the Fourth Proportional to 4,135,153.81, 6,203,119.71 and 1,217,248.60
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Solution
The fourth proportional to 4,135,153.81, 6,203,119.71 and 1,217,248.60 is: 1,825,987.40
Step by Step Solution
- Step 1: Write the proportion equation
4,135,153.81 : 6,203,119.71 = 1,217,248.60 : x - Step 2: Convert to fraction form
4,135,153.81/6,203,119.71 = 1,217,248.60/x - Step 3: Cross multiply
4,135,153.81x = 6,203,119.71 × 1,217,248.60 - Step 4: Simplify right side
4,135,153.81x = 7,550,738,751,614.31 - Step 5: Solve for x
x = 7,550,738,751,614.31/4,135,153.81 - Step 6: Final answer
x = 1,825,987.40
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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.