Finding the Fourth Proportional to 4,288,165.38, 6,432,390.15 and 2,157,088.26
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Solution
The fourth proportional to 4,288,165.38, 6,432,390.15 and 2,157,088.26 is: 3,235,703.86
Step by Step Solution
- Step 1: Write the proportion equation
4,288,165.38 : 6,432,390.15 = 2,157,088.26 : x - Step 2: Convert to fraction form
4,288,165.38/6,432,390.15 = 2,157,088.26/x - Step 3: Cross multiply
4,288,165.38x = 6,432,390.15 × 2,157,088.26 - Step 4: Simplify right side
4,288,165.38x = 13,875,233,276,304.64 - Step 5: Solve for x
x = 13,875,233,276,304.64/4,288,165.38 - Step 6: Final answer
x = 3,235,703.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.