Finding the Fourth Proportional to 3,866,535.35, 5,335,820.84 and 2,124,317.05
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Solution
The fourth proportional to 3,866,535.35, 5,335,820.84 and 2,124,317.05 is: 2,931,558.66
Step by Step Solution
- Step 1: Write the proportion equation
3,866,535.35 : 5,335,820.84 = 2,124,317.05 : x - Step 2: Convert to fraction form
3,866,535.35/5,335,820.84 = 2,124,317.05/x - Step 3: Cross multiply
3,866,535.35x = 5,335,820.84 × 2,124,317.05 - Step 4: Simplify right side
3,866,535.35x = 11,334,975,188,618.58 - Step 5: Solve for x
x = 11,334,975,188,618.58/3,866,535.35 - Step 6: Final answer
x = 2,931,558.66
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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.