Finding the Fourth Proportional to 1,637,092.68, 2,258,888.10 and 911,922.36
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Solution
The fourth proportional to 1,637,092.68, 2,258,888.10 and 911,922.36 is: 1,258,285.86
Step by Step Solution
- Step 1: Write the proportion equation
1,637,092.68 : 2,258,888.10 = 911,922.36 : x - Step 2: Convert to fraction form
1,637,092.68/2,258,888.10 = 911,922.36/x - Step 3: Cross multiply
1,637,092.68x = 2,258,888.10 × 911,922.36 - Step 4: Simplify right side
1,637,092.68x = 2,059,930,567,127.92 - Step 5: Solve for x
x = 2,059,930,567,127.92/1,637,092.68 - Step 6: Final answer
x = 1,258,285.86
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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.