Finding the Fourth Proportional to 5,183,772.09, 7,153,777.30 and 2,829,098.78
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Solution
The fourth proportional to 5,183,772.09, 7,153,777.30 and 2,829,098.78 is: 3,904,250.09
Step by Step Solution
- Step 1: Write the proportion equation
5,183,772.09 : 7,153,777.30 = 2,829,098.78 : x - Step 2: Convert to fraction form
5,183,772.09/7,153,777.30 = 2,829,098.78/x - Step 3: Cross multiply
5,183,772.09x = 7,153,777.30 × 2,829,098.78 - Step 4: Simplify right side
5,183,772.09x = 20,238,742,631,821.69 - Step 5: Solve for x
x = 20,238,742,631,821.69/5,183,772.09 - Step 6: Final answer
x = 3,904,250.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.