Finding the Fourth Proportional to 3,586,479.29, 5,380,041.97 and 1,157,690.10
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Solution
The fourth proportional to 3,586,479.29, 5,380,041.97 and 1,157,690.10 is: 1,736,639.43
Step by Step Solution
- Step 1: Write the proportion equation
3,586,479.29 : 5,380,041.97 = 1,157,690.10 : x - Step 2: Convert to fraction form
3,586,479.29/5,380,041.97 = 1,157,690.10/x - Step 3: Cross multiply
3,586,479.29x = 5,380,041.97 × 1,157,690.10 - Step 4: Simplify right side
3,586,479.29x = 6,228,421,347,875.77 - Step 5: Solve for x
x = 6,228,421,347,875.77/3,586,479.29 - Step 6: Final answer
x = 1,736,639.43
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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.