Finding the Fourth Proportional to 1,643,255.85, 2,267,467.65 and 918,013.44
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Solution
The fourth proportional to 1,643,255.85, 2,267,467.65 and 918,013.44 is: 1,266,732.61
Step by Step Solution
- Step 1: Write the proportion equation
1,643,255.85 : 2,267,467.65 = 918,013.44 : x - Step 2: Convert to fraction form
1,643,255.85/2,267,467.65 = 918,013.44/x - Step 3: Cross multiply
1,643,255.85x = 2,267,467.65 × 918,013.44 - Step 4: Simplify right side
1,643,255.85x = 2,081,565,777,465.22 - Step 5: Solve for x
x = 2,081,565,777,465.22/1,643,255.85 - Step 6: Final answer
x = 1,266,732.61
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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.