Finding the Fourth Proportional to 1,694,469.68, 2,338,298.08 and 920,070.24
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Solution
The fourth proportional to 1,694,469.68, 2,338,298.08 and 920,070.24 is: 1,269,658.88
Step by Step Solution
- Step 1: Write the proportion equation
1,694,469.68 : 2,338,298.08 = 920,070.24 : x - Step 2: Convert to fraction form
1,694,469.68/2,338,298.08 = 920,070.24/x - Step 3: Cross multiply
1,694,469.68x = 2,338,298.08 × 920,070.24 - Step 4: Simplify right side
1,694,469.68x = 2,151,398,475,657.14 - Step 5: Solve for x
x = 2,151,398,475,657.14/1,694,469.68 - Step 6: Final answer
x = 1,269,658.88
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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.