Finding the Fourth Proportional to 1,622,809.68, 2,239,304.96 and 897,542.16
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Solution
The fourth proportional to 1,622,809.68, 2,239,304.96 and 897,542.16 is: 1,238,512.83
Step by Step Solution
- Step 1: Write the proportion equation
1,622,809.68 : 2,239,304.96 = 897,542.16 : x - Step 2: Convert to fraction form
1,622,809.68/2,239,304.96 = 897,542.16/x - Step 3: Cross multiply
1,622,809.68x = 2,239,304.96 × 897,542.16 - Step 4: Simplify right side
1,622,809.68x = 2,009,870,610,697.11 - Step 5: Solve for x
x = 2,009,870,610,697.11/1,622,809.68 - Step 6: Final answer
x = 1,238,512.83
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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.