Finding the Fourth Proportional to 2,125,164.28, 2,932,727.80 and 1,207,395.02
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Solution
The fourth proportional to 2,125,164.28, 2,932,727.80 and 1,207,395.02 is: 1,666,205.75
Step by Step Solution
- Step 1: Write the proportion equation
2,125,164.28 : 2,932,727.80 = 1,207,395.02 : x - Step 2: Convert to fraction form
2,125,164.28/2,932,727.80 = 1,207,395.02/x - Step 3: Cross multiply
2,125,164.28x = 2,932,727.80 × 1,207,395.02 - Step 4: Simplify right side
2,125,164.28x = 3,540,960,940,735.56 - Step 5: Solve for x
x = 3,540,960,940,735.56/2,125,164.28 - Step 6: Final answer
x = 1,666,205.75
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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.