Finding the Fourth Proportional to 1,801,128.18, 2,702,753.04 and 664,690.08
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Solution
The fourth proportional to 1,801,128.18, 2,702,753.04 and 664,690.08 is: 997,426.59
Step by Step Solution
- Step 1: Write the proportion equation
1,801,128.18 : 2,702,753.04 = 664,690.08 : x - Step 2: Convert to fraction form
1,801,128.18/2,702,753.04 = 664,690.08/x - Step 3: Cross multiply
1,801,128.18x = 2,702,753.04 × 664,690.08 - Step 4: Simplify right side
1,801,128.18x = 1,796,493,134,377.84 - Step 5: Solve for x
x = 1,796,493,134,377.84/1,801,128.18 - Step 6: Final answer
x = 997,426.59
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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.