Finding the Fourth Proportional to 5,107,129.32, 7,652,178.81 and 4,199,112.44
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Solution
The fourth proportional to 5,107,129.32, 7,652,178.81 and 4,199,112.44 is: 6,291,667.43
Step by Step Solution
- Step 1: Write the proportion equation
5,107,129.32 : 7,652,178.81 = 4,199,112.44 : x - Step 2: Convert to fraction form
5,107,129.32/7,652,178.81 = 4,199,112.44/x - Step 3: Cross multiply
5,107,129.32x = 7,652,178.81 × 4,199,112.44 - Step 4: Simplify right side
5,107,129.32x = 32,132,359,224,610.17 - Step 5: Solve for x
x = 32,132,359,224,610.17/5,107,129.32 - Step 6: Final answer
x = 6,291,667.43
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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.