Finding the Fourth Proportional to 2,217,364.86, 3,058,863.42 and 1,432,160.79
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Solution
The fourth proportional to 2,217,364.86, 3,058,863.42 and 1,432,160.79 is: 1,975,671.36
Step by Step Solution
- Step 1: Write the proportion equation
2,217,364.86 : 3,058,863.42 = 1,432,160.79 : x - Step 2: Convert to fraction form
2,217,364.86/3,058,863.42 = 1,432,160.79/x - Step 3: Cross multiply
2,217,364.86x = 3,058,863.42 × 1,432,160.79 - Step 4: Simplify right side
2,217,364.86x = 4,380,784,252,089.30 - Step 5: Solve for x
x = 4,380,784,252,089.30/2,217,364.86 - Step 6: Final answer
x = 1,975,671.36
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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.