Finding the Fourth Proportional to 4,838,519.22, 7,257,936.01 and 1,426,519.70
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Solution
The fourth proportional to 4,838,519.22, 7,257,936.01 and 1,426,519.70 is: 2,139,825.89
Step by Step Solution
- Step 1: Write the proportion equation
4,838,519.22 : 7,257,936.01 = 1,426,519.70 : x - Step 2: Convert to fraction form
4,838,519.22/7,257,936.01 = 1,426,519.70/x - Step 3: Cross multiply
4,838,519.22x = 7,257,936.01 × 1,426,519.70 - Step 4: Simplify right side
4,838,519.22x = 10,353,588,689,640.40 - Step 5: Solve for x
x = 10,353,588,689,640.40/4,838,519.22 - Step 6: Final answer
x = 2,139,825.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.