Finding the Fourth Proportional to 2,265,145.12, 3,125,898.46 and 1,246,549.88
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Solution
The fourth proportional to 2,265,145.12, 3,125,898.46 and 1,246,549.88 is: 1,720,237.84
Step by Step Solution
- Step 1: Write the proportion equation
2,265,145.12 : 3,125,898.46 = 1,246,549.88 : x - Step 2: Convert to fraction form
2,265,145.12/3,125,898.46 = 1,246,549.88/x - Step 3: Cross multiply
2,265,145.12x = 3,125,898.46 × 1,246,549.88 - Step 4: Simplify right side
2,265,145.12x = 3,896,588,350,205.18 - Step 5: Solve for x
x = 3,896,588,350,205.18/2,265,145.12 - Step 6: Final answer
x = 1,720,237.84
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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.