Finding the Fourth Proportional to 1,515,630, 2,091,569.58 and 836,566.68
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Solution
The fourth proportional to 1,515,630, 2,091,569.58 and 836,566.68 is: 1,154,462.12
Step by Step Solution
- Step 1: Write the proportion equation
1,515,630 : 2,091,569.58 = 836,566.68 : x - Step 2: Convert to fraction form
1,515,630/2,091,569.58 = 836,566.68/x - Step 3: Cross multiply
1,515,630x = 2,091,569.58 × 836,566.68 - Step 4: Simplify right side
1,515,630x = 1,749,737,419,529.59 - Step 5: Solve for x
x = 1,749,737,419,529.59/1,515,630 - Step 6: Final answer
x = 1,154,462.12
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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.