Finding the Fourth Proportional to 1,495,528.09, 2,063,818.11 and 816,464.59
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Solution
The fourth proportional to 1,495,528.09, 2,063,818.11 and 816,464.59 is: 1,126,715.32
Step by Step Solution
- Step 1: Write the proportion equation
1,495,528.09 : 2,063,818.11 = 816,464.59 : x - Step 2: Convert to fraction form
1,495,528.09/2,063,818.11 = 816,464.59/x - Step 3: Cross multiply
1,495,528.09x = 2,063,818.11 × 816,464.59 - Step 4: Simplify right side
1,495,528.09x = 1,685,034,407,015.73 - Step 5: Solve for x
x = 1,685,034,407,015.73/1,495,528.09 - Step 6: Final answer
x = 1,126,715.32
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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.