Finding the Fourth Proportional to 5,048,301.40, 7,574,816.79 and 2,488,120.70
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Solution
The fourth proportional to 5,048,301.40, 7,574,816.79 and 2,488,120.70 is: 3,733,346.51
Step by Step Solution
- Step 1: Write the proportion equation
5,048,301.40 : 7,574,816.79 = 2,488,120.70 : x - Step 2: Convert to fraction form
5,048,301.40/7,574,816.79 = 2,488,120.70/x - Step 3: Cross multiply
5,048,301.40x = 7,574,816.79 × 2,488,120.70 - Step 4: Simplify right side
5,048,301.40x = 18,847,058,403,591.86 - Step 5: Solve for x
x = 18,847,058,403,591.86/5,048,301.40 - Step 6: Final answer
x = 3,733,346.51
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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.