Finding the Fourth Proportional to 1,675,637.82, 2,312,311.10 and 911,694.42
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Solution
The fourth proportional to 1,675,637.82, 2,312,311.10 and 911,694.42 is: 1,258,100.70
Step by Step Solution
- Step 1: Write the proportion equation
1,675,637.82 : 2,312,311.10 = 911,694.42 : x - Step 2: Convert to fraction form
1,675,637.82/2,312,311.10 = 911,694.42/x - Step 3: Cross multiply
1,675,637.82x = 2,312,311.10 × 911,694.42 - Step 4: Simplify right side
1,675,637.82x = 2,108,121,122,615.59 - Step 5: Solve for x
x = 2,108,121,122,615.59/1,675,637.82 - Step 6: Final answer
x = 1,258,100.70
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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.