Finding the Fourth Proportional to 4,738,545.45, 6,538,630.76 and 2,673,440.63
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Solution
The fourth proportional to 4,738,545.45, 6,538,630.76 and 2,673,440.63 is: 3,689,031.02
Step by Step Solution
- Step 1: Write the proportion equation
4,738,545.45 : 6,538,630.76 = 2,673,440.63 : x - Step 2: Convert to fraction form
4,738,545.45/6,538,630.76 = 2,673,440.63/x - Step 3: Cross multiply
4,738,545.45x = 6,538,630.76 × 2,673,440.63 - Step 4: Simplify right side
4,738,545.45x = 17,480,641,138,351.78 - Step 5: Solve for x
x = 17,480,641,138,351.78/4,738,545.45 - Step 6: Final answer
x = 3,689,031.02
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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.