Finding the Fourth Proportional to 4,019,976.47, 5,547,117.20 and 2,277,272.54
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Solution
The fourth proportional to 4,019,976.47, 5,547,117.20 and 2,277,272.54 is: 3,142,380.99
Step by Step Solution
- Step 1: Write the proportion equation
4,019,976.47 : 5,547,117.20 = 2,277,272.54 : x - Step 2: Convert to fraction form
4,019,976.47/5,547,117.20 = 2,277,272.54/x - Step 3: Cross multiply
4,019,976.47x = 5,547,117.20 × 2,277,272.54 - Step 4: Simplify right side
4,019,976.47x = 12,632,297,636,599.74 - Step 5: Solve for x
x = 12,632,297,636,599.74/4,019,976.47 - Step 6: Final answer
x = 3,142,380.99
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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.