Finding the Fourth Proportional to 4,184,112.40, 6,277,237.80 and 1,344,252.40
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Solution
The fourth proportional to 4,184,112.40, 6,277,237.80 and 1,344,252.40 is: 2,016,722.11
Step by Step Solution
- Step 1: Write the proportion equation
4,184,112.40 : 6,277,237.80 = 1,344,252.40 : x - Step 2: Convert to fraction form
4,184,112.40/6,277,237.80 = 1,344,252.40/x - Step 3: Cross multiply
4,184,112.40x = 6,277,237.80 × 1,344,252.40 - Step 4: Simplify right side
4,184,112.40x = 8,438,191,978,020.72 - Step 5: Solve for x
x = 8,438,191,978,020.72/4,184,112.40 - Step 6: Final answer
x = 2,016,722.11
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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.