Finding the Fourth Proportional to 3,949,403.76, 5,926,248.90 and 1,676,206.80
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Solution
The fourth proportional to 3,949,403.76, 5,926,248.90 and 1,676,206.80 is: 2,515,219.84
Step by Step Solution
- Step 1: Write the proportion equation
3,949,403.76 : 5,926,248.90 = 1,676,206.80 : x - Step 2: Convert to fraction form
3,949,403.76/5,926,248.90 = 1,676,206.80/x - Step 3: Cross multiply
3,949,403.76x = 5,926,248.90 × 1,676,206.80 - Step 4: Simplify right side
3,949,403.76x = 9,933,618,704,672.52 - Step 5: Solve for x
x = 9,933,618,704,672.52/3,949,403.76 - Step 6: Final answer
x = 2,515,219.84
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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.