Finding the Fourth Proportional to 4,785,322.14, 7,177,946.24 and 1,191,065.08
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Solution
The fourth proportional to 4,785,322.14, 7,177,946.24 and 1,191,065.08 is: 1,786,588.42
Step by Step Solution
- Step 1: Write the proportion equation
4,785,322.14 : 7,177,946.24 = 1,191,065.08 : x - Step 2: Convert to fraction form
4,785,322.14/7,177,946.24 = 1,191,065.08/x - Step 3: Cross multiply
4,785,322.14x = 7,177,946.24 × 1,191,065.08 - Step 4: Simplify right side
4,785,322.14x = 8,549,401,112,581.30 - Step 5: Solve for x
x = 8,549,401,112,581.30/4,785,322.14 - Step 6: Final answer
x = 1,786,588.42
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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.