Finding the Fourth Proportional to 5,349,013.92, 7,381,638.68 and 3,025,856.80
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Solution
The fourth proportional to 5,349,013.92, 7,381,638.68 and 3,025,856.80 is: 4,175,682.08
Step by Step Solution
- Step 1: Write the proportion equation
5,349,013.92 : 7,381,638.68 = 3,025,856.80 : x - Step 2: Convert to fraction form
5,349,013.92/7,381,638.68 = 3,025,856.80/x - Step 3: Cross multiply
5,349,013.92x = 7,381,638.68 × 3,025,856.80 - Step 4: Simplify right side
5,349,013.92x = 22,335,781,595,021.02 - Step 5: Solve for x
x = 22,335,781,595,021.02/5,349,013.92 - Step 6: Final answer
x = 4,175,682.08
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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.