Finding the Fourth Proportional to 4,208,422.78, 6,313,569.70 and 1,963,336.06
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Solution
The fourth proportional to 4,208,422.78, 6,313,569.70 and 1,963,336.06 is: 2,945,440.54
Step by Step Solution
- Step 1: Write the proportion equation
4,208,422.78 : 6,313,569.70 = 1,963,336.06 : x - Step 2: Convert to fraction form
4,208,422.78/6,313,569.70 = 1,963,336.06/x - Step 3: Cross multiply
4,208,422.78x = 6,313,569.70 × 1,963,336.06 - Step 4: Simplify right side
4,208,422.78x = 12,395,659,059,333.38 - Step 5: Solve for x
x = 12,395,659,059,333.38/4,208,422.78 - Step 6: Final answer
x = 2,945,440.54
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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.