Finding the Fourth Proportional to 1,620,250.98, 2,429,813.62 and 901,689.24
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Solution
The fourth proportional to 1,620,250.98, 2,429,813.62 and 901,689.24 is: 1,352,220.63
Step by Step Solution
- Step 1: Write the proportion equation
1,620,250.98 : 2,429,813.62 = 901,689.24 : x - Step 2: Convert to fraction form
1,620,250.98/2,429,813.62 = 901,689.24/x - Step 3: Cross multiply
1,620,250.98x = 2,429,813.62 × 901,689.24 - Step 4: Simplify right side
1,620,250.98x = 2,190,936,796,359.45 - Step 5: Solve for x
x = 2,190,936,796,359.45/1,620,250.98 - Step 6: Final answer
x = 1,352,220.63
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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.