Finding the Fourth Proportional to 1,879,388.56, 2,593,519.36 and 1,063,577.12
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Solution
The fourth proportional to 1,879,388.56, 2,593,519.36 and 1,063,577.12 is: 1,467,715.57
Step by Step Solution
- Step 1: Write the proportion equation
1,879,388.56 : 2,593,519.36 = 1,063,577.12 : x - Step 2: Convert to fraction form
1,879,388.56/2,593,519.36 = 1,063,577.12/x - Step 3: Cross multiply
1,879,388.56x = 2,593,519.36 × 1,063,577.12 - Step 4: Simplify right side
1,879,388.56x = 2,758,407,851,573.04 - Step 5: Solve for x
x = 2,758,407,851,573.04/1,879,388.56 - Step 6: Final answer
x = 1,467,715.57
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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.