Finding the Fourth Proportional to 2,772,169.92, 3,825,626.40 and 1,626,269.76
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Solution
The fourth proportional to 2,772,169.92, 3,825,626.40 and 1,626,269.76 is: 2,244,270.99
Step by Step Solution
- Step 1: Write the proportion equation
2,772,169.92 : 3,825,626.40 = 1,626,269.76 : x - Step 2: Convert to fraction form
2,772,169.92/3,825,626.40 = 1,626,269.76/x - Step 3: Cross multiply
2,772,169.92x = 3,825,626.40 × 1,626,269.76 - Step 4: Simplify right side
2,772,169.92x = 6,221,500,527,377.66 - Step 5: Solve for x
x = 6,221,500,527,377.66/2,772,169.92 - Step 6: Final answer
x = 2,244,270.99
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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.