Finding the Fourth Proportional to 2,272,352.79, 3,136,983.21 and 1,413,189.84
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Solution
The fourth proportional to 2,272,352.79, 3,136,983.21 and 1,413,189.84 is: 1,950,908.69
Step by Step Solution
- Step 1: Write the proportion equation
2,272,352.79 : 3,136,983.21 = 1,413,189.84 : x - Step 2: Convert to fraction form
2,272,352.79/3,136,983.21 = 1,413,189.84/x - Step 3: Cross multiply
2,272,352.79x = 3,136,983.21 × 1,413,189.84 - Step 4: Simplify right side
2,272,352.79x = 4,433,152,798,715.34 - Step 5: Solve for x
x = 4,433,152,798,715.34/2,272,352.79 - Step 6: Final answer
x = 1,950,908.69
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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.