Finding the Fourth Proportional to 3,162,805.40, 4,364,653.11 and 1,712,470.88
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Solution
The fourth proportional to 3,162,805.40, 4,364,653.11 and 1,712,470.88 is: 2,363,199.88
Step by Step Solution
- Step 1: Write the proportion equation
3,162,805.40 : 4,364,653.11 = 1,712,470.88 : x - Step 2: Convert to fraction form
3,162,805.40/4,364,653.11 = 1,712,470.88/x - Step 3: Cross multiply
3,162,805.40x = 4,364,653.11 × 1,712,470.88 - Step 4: Simplify right side
3,162,805.40x = 7,474,341,352,176.44 - Step 5: Solve for x
x = 7,474,341,352,176.44/3,162,805.40 - Step 6: Final answer
x = 2,363,199.88
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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.