Finding the Fourth Proportional to 1,608,103.12, 2,220,220.83 and 996,909.07
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Solution
The fourth proportional to 1,608,103.12, 2,220,220.83 and 996,909.07 is: 1,376,378.33
Step by Step Solution
- Step 1: Write the proportion equation
1,608,103.12 : 2,220,220.83 = 996,909.07 : x - Step 2: Convert to fraction form
1,608,103.12/2,220,220.83 = 996,909.07/x - Step 3: Cross multiply
1,608,103.12x = 2,220,220.83 × 996,909.07 - Step 4: Simplify right side
1,608,103.12x = 2,213,358,282,829.93 - Step 5: Solve for x
x = 2,213,358,282,829.93/1,608,103.12 - Step 6: Final answer
x = 1,376,378.33
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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.