Finding the Fourth Proportional to 2,165,886.24, 2,982,246.96 and 1,923,748.08
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Solution
The fourth proportional to 2,165,886.24, 2,982,246.96 and 1,923,748.08 is: 2,648,842.66
Step by Step Solution
- Step 1: Write the proportion equation
2,165,886.24 : 2,982,246.96 = 1,923,748.08 : x - Step 2: Convert to fraction form
2,165,886.24/2,982,246.96 = 1,923,748.08/x - Step 3: Cross multiply
2,165,886.24x = 2,982,246.96 × 1,923,748.08 - Step 4: Simplify right side
2,165,886.24x = 5,737,091,863,385.84 - Step 5: Solve for x
x = 5,737,091,863,385.84/2,165,886.24 - Step 6: Final answer
x = 2,648,842.66
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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.