Finding the Fourth Proportional to 1,623,553.57, 2,435,473.73 and 425,471.23
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Solution
The fourth proportional to 1,623,553.57, 2,435,473.73 and 425,471.23 is: 638,244.42
Step by Step Solution
- Step 1: Write the proportion equation
1,623,553.57 : 2,435,473.73 = 425,471.23 : x - Step 2: Convert to fraction form
1,623,553.57/2,435,473.73 = 425,471.23/x - Step 3: Cross multiply
1,623,553.57x = 2,435,473.73 × 425,471.23 - Step 4: Simplify right side
1,623,553.57x = 1,036,224,003,535.79 - Step 5: Solve for x
x = 1,036,224,003,535.79/1,623,553.57 - Step 6: Final answer
x = 638,244.42
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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.