Finding the Fourth Proportional to 1,513,115.64, 2,268,142.38 and 980,974.80
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Solution
The fourth proportional to 1,513,115.64, 2,268,142.38 and 980,974.80 is: 1,470,469.58
Step by Step Solution
- Step 1: Write the proportion equation
1,513,115.64 : 2,268,142.38 = 980,974.80 : x - Step 2: Convert to fraction form
1,513,115.64/2,268,142.38 = 980,974.80/x - Step 3: Cross multiply
1,513,115.64x = 2,268,142.38 × 980,974.80 - Step 4: Simplify right side
1,513,115.64x = 2,224,990,517,592.02 - Step 5: Solve for x
x = 2,224,990,517,592.02/1,513,115.64 - Step 6: Final answer
x = 1,470,469.58
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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.