Finding the Fourth Proportional to 1,455,247.43, 2,183,190.68 and 430,497.53
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Solution
The fourth proportional to 1,455,247.43, 2,183,190.68 and 430,497.53 is: 645,840.82
Step by Step Solution
- Step 1: Write the proportion equation
1,455,247.43 : 2,183,190.68 = 430,497.53 : x - Step 2: Convert to fraction form
1,455,247.43/2,183,190.68 = 430,497.53/x - Step 3: Cross multiply
1,455,247.43x = 2,183,190.68 × 430,497.53 - Step 4: Simplify right side
1,455,247.43x = 939,858,185,419.31 - Step 5: Solve for x
x = 939,858,185,419.31/1,455,247.43 - Step 6: Final answer
x = 645,840.82
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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.