Finding the Fourth Proportional to 1,519,373.90, 2,278,219.57 and 621,446.28
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Solution
The fourth proportional to 1,519,373.90, 2,278,219.57 and 621,446.28 is: 931,825.32
Step by Step Solution
- Step 1: Write the proportion equation
1,519,373.90 : 2,278,219.57 = 621,446.28 : x - Step 2: Convert to fraction form
1,519,373.90/2,278,219.57 = 621,446.28/x - Step 3: Cross multiply
1,519,373.90x = 2,278,219.57 × 621,446.28 - Step 4: Simplify right side
1,519,373.90x = 1,415,791,066,702.76 - Step 5: Solve for x
x = 1,415,791,066,702.76/1,519,373.90 - Step 6: Final answer
x = 931,825.32
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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.