Finding the Fourth Proportional to 1,425,132.84, 1,966,715.13 and 813,273.42
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Solution
The fourth proportional to 1,425,132.84, 1,966,715.13 and 813,273.42 is: 1,122,335.47
Step by Step Solution
- Step 1: Write the proportion equation
1,425,132.84 : 1,966,715.13 = 813,273.42 : x - Step 2: Convert to fraction form
1,425,132.84/1,966,715.13 = 813,273.42/x - Step 3: Cross multiply
1,425,132.84x = 1,966,715.13 × 813,273.42 - Step 4: Simplify right side
1,425,132.84x = 1,599,477,139,940.84 - Step 5: Solve for x
x = 1,599,477,139,940.84/1,425,132.84 - Step 6: Final answer
x = 1,122,335.47
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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.