Finding the Fourth Proportional to 1,690,990.08, 2,533,632.29 and 836,922.84
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Solution
The fourth proportional to 1,690,990.08, 2,533,632.29 and 836,922.84 is: 1,253,972.31
Step by Step Solution
- Step 1: Write the proportion equation
1,690,990.08 : 2,533,632.29 = 836,922.84 : x - Step 2: Convert to fraction form
1,690,990.08/2,533,632.29 = 836,922.84/x - Step 3: Cross multiply
1,690,990.08x = 2,533,632.29 × 836,922.84 - Step 4: Simplify right side
1,690,990.08x = 2,120,454,731,662.50 - Step 5: Solve for x
x = 2,120,454,731,662.50/1,690,990.08 - Step 6: Final answer
x = 1,253,972.31
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1.5x scale
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.