Finding the Fourth Proportional to 3,818,903.22, 5,727,129.66 and 1,259,542.80
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Solution
The fourth proportional to 3,818,903.22, 5,727,129.66 and 1,259,542.80 is: 1,888,910.12
Step by Step Solution
- Step 1: Write the proportion equation
3,818,903.22 : 5,727,129.66 = 1,259,542.80 : x - Step 2: Convert to fraction form
3,818,903.22/5,727,129.66 = 1,259,542.80/x - Step 3: Cross multiply
3,818,903.22x = 5,727,129.66 × 1,259,542.80 - Step 4: Simplify right side
3,818,903.22x = 7,213,564,927,919.45 - Step 5: Solve for x
x = 7,213,564,927,919.45/3,818,903.22 - Step 6: Final answer
x = 1,888,910.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.