Finding the Fourth Proportional to 1,641,888.04, 2,265,783.94 and 916,748.12
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Solution
The fourth proportional to 1,641,888.04, 2,265,783.94 and 916,748.12 is: 1,265,100.37
Step by Step Solution
- Step 1: Write the proportion equation
1,641,888.04 : 2,265,783.94 = 916,748.12 : x - Step 2: Convert to fraction form
1,641,888.04/2,265,783.94 = 916,748.12/x - Step 3: Cross multiply
1,641,888.04x = 2,265,783.94 × 916,748.12 - Step 4: Simplify right side
1,641,888.04x = 2,077,153,167,321.19 - Step 5: Solve for x
x = 2,077,153,167,321.19/1,641,888.04 - Step 6: Final answer
x = 1,265,100.37
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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.