Finding the Fourth Proportional to 3,579,990.92, 5,368,321.50 and 1,303,930.82
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Solution
The fourth proportional to 3,579,990.92, 5,368,321.50 and 1,303,930.82 is: 1,955,289.84
Step by Step Solution
- Step 1: Write the proportion equation
3,579,990.92 : 5,368,321.50 = 1,303,930.82 : x - Step 2: Convert to fraction form
3,579,990.92/5,368,321.50 = 1,303,930.82/x - Step 3: Cross multiply
3,579,990.92x = 5,368,321.50 × 1,303,930.82 - Step 4: Simplify right side
3,579,990.92x = 6,999,919,855,518.63 - Step 5: Solve for x
x = 6,999,919,855,518.63/3,579,990.92 - Step 6: Final answer
x = 1,955,289.84
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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.