Finding the Fourth Proportional to 1,820,120.68, 2,512,675.88 and 1,132,014.34
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Solution
The fourth proportional to 1,820,120.68, 2,512,675.88 and 1,132,014.34 is: 1,562,745.35
Step by Step Solution
- Step 1: Write the proportion equation
1,820,120.68 : 2,512,675.88 = 1,132,014.34 : x - Step 2: Convert to fraction form
1,820,120.68/2,512,675.88 = 1,132,014.34/x - Step 3: Cross multiply
1,820,120.68x = 2,512,675.88 × 1,132,014.34 - Step 4: Simplify right side
1,820,120.68x = 2,844,385,127,932.12 - Step 5: Solve for x
x = 2,844,385,127,932.12/1,820,120.68 - Step 6: Final answer
x = 1,562,745.35
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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.