Finding the Fourth Proportional to 1,589,220.76, 2,383,778.04 and 690,662.56
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Solution
The fourth proportional to 1,589,220.76, 2,383,778.04 and 690,662.56 is: 1,035,970.76
Step by Step Solution
- Step 1: Write the proportion equation
1,589,220.76 : 2,383,778.04 = 690,662.56 : x - Step 2: Convert to fraction form
1,589,220.76/2,383,778.04 = 690,662.56/x - Step 3: Cross multiply
1,589,220.76x = 2,383,778.04 × 690,662.56 - Step 4: Simplify right side
1,589,220.76x = 1,646,386,243,578.18 - Step 5: Solve for x
x = 1,646,386,243,578.18/1,589,220.76 - Step 6: Final answer
x = 1,035,970.76
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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.