Finding the Fourth Proportional to 2,743,871.48, 4,115,808.84 and 1,145,563.28
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Solution
The fourth proportional to 2,743,871.48, 4,115,808.84 and 1,145,563.28 is: 1,718,345.60
Step by Step Solution
- Step 1: Write the proportion equation
2,743,871.48 : 4,115,808.84 = 1,145,563.28 : x - Step 2: Convert to fraction form
2,743,871.48/4,115,808.84 = 1,145,563.28/x - Step 3: Cross multiply
2,743,871.48x = 4,115,808.84 × 1,145,563.28 - Step 4: Simplify right side
2,743,871.48x = 4,714,919,474,603.40 - Step 5: Solve for x
x = 4,714,919,474,603.40/2,743,871.48 - Step 6: Final answer
x = 1,718,345.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.