Finding the Fourth Proportional to 1,416,201.35, 2,126,153.88 and 840,874.75
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Solution
The fourth proportional to 1,416,201.35, 2,126,153.88 and 840,874.75 is: 1,262,411.67
Step by Step Solution
- Step 1: Write the proportion equation
1,416,201.35 : 2,126,153.88 = 840,874.75 : x - Step 2: Convert to fraction form
1,416,201.35/2,126,153.88 = 840,874.75/x - Step 3: Cross multiply
1,416,201.35x = 2,126,153.88 × 840,874.75 - Step 4: Simplify right side
1,416,201.35x = 1,787,829,106,991.15 - Step 5: Solve for x
x = 1,787,829,106,991.15/1,416,201.35 - Step 6: Final answer
x = 1,262,411.67
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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.