Finding the Fourth Proportional to 1,936,403.28, 2,898,926.91 and 1,358,021.97
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Solution
The fourth proportional to 1,936,403.28, 2,898,926.91 and 1,358,021.97 is: 2,033,050.90
Step by Step Solution
- Step 1: Write the proportion equation
1,936,403.28 : 2,898,926.91 = 1,358,021.97 : x - Step 2: Convert to fraction form
1,936,403.28/2,898,926.91 = 1,358,021.97/x - Step 3: Cross multiply
1,936,403.28x = 2,898,926.91 × 1,358,021.97 - Step 4: Simplify right side
1,936,403.28x = 3,936,806,433,204.21 - Step 5: Solve for x
x = 3,936,806,433,204.21/1,936,403.28 - Step 6: Final answer
x = 2,033,050.90
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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.