Finding the Fourth Proportional to 3,068,559.14, 4,232,877.68 and 1,920,646.58
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Solution
The fourth proportional to 3,068,559.14, 4,232,877.68 and 1,920,646.58 is: 2,649,406.99
Step by Step Solution
- Step 1: Write the proportion equation
3,068,559.14 : 4,232,877.68 = 1,920,646.58 : x - Step 2: Convert to fraction form
3,068,559.14/4,232,877.68 = 1,920,646.58/x - Step 3: Cross multiply
3,068,559.14x = 4,232,877.68 × 1,920,646.58 - Step 4: Simplify right side
3,068,559.14x = 8,129,862,023,287.56 - Step 5: Solve for x
x = 8,129,862,023,287.56/3,068,559.14 - Step 6: Final answer
x = 2,649,406.99
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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.