Finding the Fourth Proportional to 1,540,790.03, 2,126,971.28 and 920,813.92
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Solution
The fourth proportional to 1,540,790.03, 2,126,971.28 and 920,813.92 is: 1,271,130.21
Step by Step Solution
- Step 1: Write the proportion equation
1,540,790.03 : 2,126,971.28 = 920,813.92 : x - Step 2: Convert to fraction form
1,540,790.03/2,126,971.28 = 920,813.92/x - Step 3: Cross multiply
1,540,790.03x = 2,126,971.28 × 920,813.92 - Step 4: Simplify right side
1,540,790.03x = 1,958,544,762,064.22 - Step 5: Solve for x
x = 1,958,544,762,064.22/1,540,790.03 - Step 6: Final answer
x = 1,271,130.21
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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.