Finding the Fourth Proportional to 2,311,482.40, 3,189,853.92 and 1,292,822.08
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Solution
The fourth proportional to 2,311,482.40, 3,189,853.92 and 1,292,822.08 is: 1,784,099.06
Step by Step Solution
- Step 1: Write the proportion equation
2,311,482.40 : 3,189,853.92 = 1,292,822.08 : x - Step 2: Convert to fraction form
2,311,482.40/3,189,853.92 = 1,292,822.08/x - Step 3: Cross multiply
2,311,482.40x = 3,189,853.92 × 1,292,822.08 - Step 4: Simplify right side
2,311,482.40x = 4,123,913,579,750.55 - Step 5: Solve for x
x = 4,123,913,579,750.55/2,311,482.40 - Step 6: Final answer
x = 1,784,099.06
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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.