Finding the Fourth Proportional to 2,154,317.13, 3,231,027.96 and 637,644.18
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Solution
The fourth proportional to 2,154,317.13, 3,231,027.96 and 637,644.18 is: 956,333.75
Step by Step Solution
- Step 1: Write the proportion equation
2,154,317.13 : 3,231,027.96 = 637,644.18 : x - Step 2: Convert to fraction form
2,154,317.13/3,231,027.96 = 637,644.18/x - Step 3: Cross multiply
2,154,317.13x = 3,231,027.96 × 637,644.18 - Step 4: Simplify right side
2,154,317.13x = 2,060,246,174,111.27 - Step 5: Solve for x
x = 2,060,246,174,111.27/2,154,317.13 - Step 6: Final answer
x = 956,333.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.