Finding the Fourth Proportional to 1,515,645.26, 2,091,590.64 and 836,581.94
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Solution
The fourth proportional to 1,515,645.26, 2,091,590.64 and 836,581.94 is: 1,154,483.18
Step by Step Solution
- Step 1: Write the proportion equation
1,515,645.26 : 2,091,590.64 = 836,581.94 : x - Step 2: Convert to fraction form
1,515,645.26/2,091,590.64 = 836,581.94/x - Step 3: Cross multiply
1,515,645.26x = 2,091,590.64 × 836,581.94 - Step 4: Simplify right side
1,515,645.26x = 1,749,786,955,297.04 - Step 5: Solve for x
x = 1,749,786,955,297.04/1,515,645.26 - Step 6: Final answer
x = 1,154,483.18
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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.