Finding the Fourth Proportional to 3,702,979.80, 5,563,800.90 and 2,355,787.80
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Solution
The fourth proportional to 3,702,979.80, 5,563,800.90 and 2,355,787.80 is: 3,539,618.09
Step by Step Solution
- Step 1: Write the proportion equation
3,702,979.80 : 5,563,800.90 = 2,355,787.80 : x - Step 2: Convert to fraction form
3,702,979.80/5,563,800.90 = 2,355,787.80/x - Step 3: Cross multiply
3,702,979.80x = 5,563,800.90 × 2,355,787.80 - Step 4: Simplify right side
3,702,979.80x = 13,107,134,281,849.02 - Step 5: Solve for x
x = 13,107,134,281,849.02/3,702,979.80 - Step 6: Final answer
x = 3,539,618.09
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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.