Finding the Fourth Proportional to 1,492,419.18, 2,059,545.41 and 847,874.74
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Solution
The fourth proportional to 1,492,419.18, 2,059,545.41 and 847,874.74 is: 1,170,071.08
Step by Step Solution
- Step 1: Write the proportion equation
1,492,419.18 : 2,059,545.41 = 847,874.74 : x - Step 2: Convert to fraction form
1,492,419.18/2,059,545.41 = 847,874.74/x - Step 3: Cross multiply
1,492,419.18x = 2,059,545.41 × 847,874.74 - Step 4: Simplify right side
1,492,419.18x = 1,746,236,529,021.94 - Step 5: Solve for x
x = 1,746,236,529,021.94/1,492,419.18 - Step 6: Final answer
x = 1,170,071.08
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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.