Finding the Fourth Proportional to 1,954,273.80, 2,931,410.70 and 1,316,544.60
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Solution
The fourth proportional to 1,954,273.80, 2,931,410.70 and 1,316,544.60 is: 1,974,816.90
Step by Step Solution
- Step 1: Write the proportion equation
1,954,273.80 : 2,931,410.70 = 1,316,544.60 : x - Step 2: Convert to fraction form
1,954,273.80/2,931,410.70 = 1,316,544.60/x - Step 3: Cross multiply
1,954,273.80x = 2,931,410.70 × 1,316,544.60 - Step 4: Simplify right side
1,954,273.80x = 3,859,332,927,467.22 - Step 5: Solve for x
x = 3,859,332,927,467.22/1,954,273.80 - Step 6: Final answer
x = 1,974,816.90
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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.