Finding the Fourth Proportional to 7,054,302.49, 10,580,939.82 and 3,164,963.99
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Solution
The fourth proportional to 7,054,302.49, 10,580,939.82 and 3,164,963.99 is: 4,747,215.41
Step by Step Solution
- Step 1: Write the proportion equation
7,054,302.49 : 10,580,939.82 = 3,164,963.99 : x - Step 2: Convert to fraction form
7,054,302.49/10,580,939.82 = 3,164,963.99/x - Step 3: Cross multiply
7,054,302.49x = 10,580,939.82 × 3,164,963.99 - Step 4: Simplify right side
7,054,302.49x = 33,488,293,457,752.38 - Step 5: Solve for x
x = 33,488,293,457,752.38/7,054,302.49 - Step 6: Final answer
x = 4,747,215.41
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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.