Finding the Fourth Proportional to 3,485,646.68, 5,228,519.22 and 926,905.68
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Solution
The fourth proportional to 3,485,646.68, 5,228,519.22 and 926,905.68 is: 1,390,371.61
Step by Step Solution
- Step 1: Write the proportion equation
3,485,646.68 : 5,228,519.22 = 926,905.68 : x - Step 2: Convert to fraction form
3,485,646.68/5,228,519.22 = 926,905.68/x - Step 3: Cross multiply
3,485,646.68x = 5,228,519.22 × 926,905.68 - Step 4: Simplify right side
3,485,646.68x = 4,846,344,163,007.17 - Step 5: Solve for x
x = 4,846,344,163,007.17/3,485,646.68 - Step 6: Final answer
x = 1,390,371.61
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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.