Finding the Fourth Proportional to 4,785,321.14, 7,177,944.74 and 1,191,064.08
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Solution
The fourth proportional to 4,785,321.14, 7,177,944.74 and 1,191,064.08 is: 1,786,586.92
Step by Step Solution
- Step 1: Write the proportion equation
4,785,321.14 : 7,177,944.74 = 1,191,064.08 : x - Step 2: Convert to fraction form
4,785,321.14/7,177,944.74 = 1,191,064.08/x - Step 3: Cross multiply
4,785,321.14x = 7,177,944.74 × 1,191,064.08 - Step 4: Simplify right side
4,785,321.14x = 8,549,392,148,038.94 - Step 5: Solve for x
x = 8,549,392,148,038.94/4,785,321.14 - Step 6: Final answer
x = 1,786,586.92
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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.