Finding the Fourth Proportional to 1,659,815.64, 2,290,523.00 and 934,672.05
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Solution
The fourth proportional to 1,659,815.64, 2,290,523.00 and 934,672.05 is: 1,289,834.71
Step by Step Solution
- Step 1: Write the proportion equation
1,659,815.64 : 2,290,523.00 = 934,672.05 : x - Step 2: Convert to fraction form
1,659,815.64/2,290,523.00 = 934,672.05/x - Step 3: Cross multiply
1,659,815.64x = 2,290,523.00 × 934,672.05 - Step 4: Simplify right side
1,659,815.64x = 2,140,887,823,308.79 - Step 5: Solve for x
x = 2,140,887,823,308.79/1,659,815.64 - Step 6: Final answer
x = 1,289,834.71
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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.