Finding the Fourth Proportional to 1,515,876.16, 2,091,854.28 and 836,798.08
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Solution
The fourth proportional to 1,515,876.16, 2,091,854.28 and 836,798.08 is: 1,154,751.09
Step by Step Solution
- Step 1: Write the proportion equation
1,515,876.16 : 2,091,854.28 = 836,798.08 : x - Step 2: Convert to fraction form
1,515,876.16/2,091,854.28 = 836,798.08/x - Step 3: Cross multiply
1,515,876.16x = 2,091,854.28 × 836,798.08 - Step 4: Simplify right side
1,515,876.16x = 1,750,459,645,143.78 - Step 5: Solve for x
x = 1,750,459,645,143.78/1,515,876.16 - Step 6: Final answer
x = 1,154,751.09
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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.