Finding the Fourth Proportional to 5,558,476.71, 8,338,387.56 and 1,963,507.98
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Solution
The fourth proportional to 5,558,476.71, 8,338,387.56 and 1,963,507.98 is: 2,945,499.53
Step by Step Solution
- Step 1: Write the proportion equation
5,558,476.71 : 8,338,387.56 = 1,963,507.98 : x - Step 2: Convert to fraction form
5,558,476.71/8,338,387.56 = 1,963,507.98/x - Step 3: Cross multiply
5,558,476.71x = 8,338,387.56 × 1,963,507.98 - Step 4: Simplify right side
5,558,476.71x = 16,372,490,514,392.73 - Step 5: Solve for x
x = 16,372,490,514,392.73/5,558,476.71 - Step 6: Final answer
x = 2,945,499.53
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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.