Finding the Fourth Proportional to 5,176,044.98, 7,143,473.58 and 3,111,728.84
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Solution
The fourth proportional to 5,176,044.98, 7,143,473.58 and 3,111,728.84 is: 4,294,505.33
Step by Step Solution
- Step 1: Write the proportion equation
5,176,044.98 : 7,143,473.58 = 3,111,728.84 : x - Step 2: Convert to fraction form
5,176,044.98/7,143,473.58 = 3,111,728.84/x - Step 3: Cross multiply
5,176,044.98x = 7,143,473.58 × 3,111,728.84 - Step 4: Simplify right side
5,176,044.98x = 22,228,552,756,664.05 - Step 5: Solve for x
x = 22,228,552,756,664.05/5,176,044.98 - Step 6: Final answer
x = 4,294,505.33
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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.