Finding the Fourth Proportional to 3,620,917.30, 5,432,032.05 and 1,819,266.70
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Solution
The fourth proportional to 3,620,917.30, 5,432,032.05 and 1,819,266.70 is: 2,729,229.70
Step by Step Solution
- Step 1: Write the proportion equation
3,620,917.30 : 5,432,032.05 = 1,819,266.70 : x - Step 2: Convert to fraction form
3,620,917.30/5,432,032.05 = 1,819,266.70/x - Step 3: Cross multiply
3,620,917.30x = 5,432,032.05 × 1,819,266.70 - Step 4: Simplify right side
3,620,917.30x = 9,882,315,021,897.74 - Step 5: Solve for x
x = 9,882,315,021,897.74/3,620,917.30 - Step 6: Final answer
x = 2,729,229.70
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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.