Finding the Fourth Proportional to 2,176,931.68, 3,004,201.60 and 1,196,912.06
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Solution
The fourth proportional to 2,176,931.68, 3,004,201.60 and 1,196,912.06 is: 1,651,758.37
Step by Step Solution
- Step 1: Write the proportion equation
2,176,931.68 : 3,004,201.60 = 1,196,912.06 : x - Step 2: Convert to fraction form
2,176,931.68/3,004,201.60 = 1,196,912.06/x - Step 3: Cross multiply
2,176,931.68x = 3,004,201.60 × 1,196,912.06 - Step 4: Simplify right side
2,176,931.68x = 3,595,765,125,711.30 - Step 5: Solve for x
x = 3,595,765,125,711.30/2,176,931.68 - Step 6: Final answer
x = 1,651,758.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.