Finding the Fourth Proportional to 1,851,879.16, 2,555,992.96 and 1,126,960.44
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Solution
The fourth proportional to 1,851,879.16, 2,555,992.96 and 1,126,960.44 is: 1,555,448.65
Step by Step Solution
- Step 1: Write the proportion equation
1,851,879.16 : 2,555,992.96 = 1,126,960.44 : x - Step 2: Convert to fraction form
1,851,879.16/2,555,992.96 = 1,126,960.44/x - Step 3: Cross multiply
1,851,879.16x = 2,555,992.96 × 1,126,960.44 - Step 4: Simplify right side
1,851,879.16x = 2,880,502,938,058.54 - Step 5: Solve for x
x = 2,880,502,938,058.54/1,851,879.16 - Step 6: Final answer
x = 1,555,448.65
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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.