Finding the Fourth Proportional to 1,606,172.74, 2,216,478.44 and 917,800.92
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Solution
The fourth proportional to 1,606,172.74, 2,216,478.44 and 917,800.92 is: 1,266,542.45
Step by Step Solution
- Step 1: Write the proportion equation
1,606,172.74 : 2,216,478.44 = 917,800.92 : x - Step 2: Convert to fraction form
1,606,172.74/2,216,478.44 = 917,800.92/x - Step 3: Cross multiply
1,606,172.74x = 2,216,478.44 × 917,800.92 - Step 4: Simplify right side
1,606,172.74x = 2,034,285,951,392.16 - Step 5: Solve for x
x = 2,034,285,951,392.16/1,606,172.74 - Step 6: Final answer
x = 1,266,542.45
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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.