Finding the Fourth Proportional to 5,184,638.35, 7,776,958.33 and 1,398,121.63
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Solution
The fourth proportional to 5,184,638.35, 7,776,958.33 and 1,398,121.63 is: 2,097,182.66
Step by Step Solution
- Step 1: Write the proportion equation
5,184,638.35 : 7,776,958.33 = 1,398,121.63 : x - Step 2: Convert to fraction form
5,184,638.35/7,776,958.33 = 1,398,121.63/x - Step 3: Cross multiply
5,184,638.35x = 7,776,958.33 × 1,398,121.63 - Step 4: Simplify right side
5,184,638.35x = 10,873,133,639,086.93 - Step 5: Solve for x
x = 10,873,133,639,086.93/5,184,638.35 - Step 6: Final answer
x = 2,097,182.66
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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.