Finding the Fourth Proportional to 1,914,386.14, 2,641,818.81 and 1,043,228.44
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Solution
The fourth proportional to 1,914,386.14, 2,641,818.81 and 1,043,228.44 is: 1,439,636.68
Step by Step Solution
- Step 1: Write the proportion equation
1,914,386.14 : 2,641,818.81 = 1,043,228.44 : x - Step 2: Convert to fraction form
1,914,386.14/2,641,818.81 = 1,043,228.44/x - Step 3: Cross multiply
1,914,386.14x = 2,641,818.81 × 1,043,228.44 - Step 4: Simplify right side
1,914,386.14x = 2,756,020,515,918.96 - Step 5: Solve for x
x = 2,756,020,515,918.96/1,914,386.14 - Step 6: Final answer
x = 1,439,636.68
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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.