Finding the Fourth Proportional to 5,012,373.16, 6,915,888.92 and 2,836,916.38
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Solution
The fourth proportional to 5,012,373.16, 6,915,888.92 and 2,836,916.38 is: 3,914,273.32
Step by Step Solution
- Step 1: Write the proportion equation
5,012,373.16 : 6,915,888.92 = 2,836,916.38 : x - Step 2: Convert to fraction form
5,012,373.16/6,915,888.92 = 2,836,916.38/x - Step 3: Cross multiply
5,012,373.16x = 6,915,888.92 × 2,836,916.38 - Step 4: Simplify right side
5,012,373.16x = 19,619,798,510,644.48 - Step 5: Solve for x
x = 19,619,798,510,644.48/5,012,373.16 - Step 6: Final answer
x = 3,914,273.32
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1.5x scale
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.