Finding the Fourth Proportional to 1,821,130.70, 2,731,696.05 and 876,346.70
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Solution
The fourth proportional to 1,821,130.70, 2,731,696.05 and 876,346.70 is: 1,314,520.05
Step by Step Solution
- Step 1: Write the proportion equation
1,821,130.70 : 2,731,696.05 = 876,346.70 : x - Step 2: Convert to fraction form
1,821,130.70/2,731,696.05 = 876,346.70/x - Step 3: Cross multiply
1,821,130.70x = 2,731,696.05 × 876,346.70 - Step 4: Simplify right side
1,821,130.70x = 2,393,912,818,820.53 - Step 5: Solve for x
x = 2,393,912,818,820.53/1,821,130.70 - Step 6: Final answer
x = 1,314,520.05
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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.